21987417816

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{6619}}^1$

素因数の和:6680

約数の個数: 256

約数和(自身を含む): 75626880000

約数和(自身を除く): 53639462184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 169, 182, 189, 216, 234, 252, 273, 312, 338, 351, 364, 378, 468, 504, 507, 546, 676, 702, 728, 756, 819, 936, 1014, 1092, 1183, 1352, 1404, 1512, 1521, 1638, 2028, 2184, 2197, 2366, 2457, 2808, 3042, 3276, 3549, 4056, 4394, 4563, 4732, 4914, 6084, 6552, 6591, 6619, 7098, 8788, 9126, 9464, 9828, 10647, 12168, 13182, 13238, 14196, 15379, 17576, 18252, 19656, 19773, 19857, 21294, 26364, 26476, 28392, 30758, 31941, 36504, 39546, 39714, 42588, 46137, 46333, 52728, 52952, 59319, 59571, 61516, 63882, 79092, 79428, 85176, 86047, 92274, 92666, 118638, 119142, 123032, 127764, 138411, 138999, 158184, 158856, 172094, 178713, 184548, 185332, 237276, 238284, 255528, 258141, 276822, 277998, 344188, 357426, 369096, 370664, 415233, 416997, 474552, 476568, 516282, 553644, 555996, 602329, 688376, 714852, 774423, 830466, 833994, 1032564, 1107288, 1111992, 1118611, 1204658, 1250991, 1429704, 1548846, 1660932, 1667988, 1806987, 2065128, 2237222, 2323269, 2409316, 2501982, 3097692, 3321864, 3335976, 3355833, 3613974, 4474444, 4646538, 4818632, 5003964, 5420961, 6195384, 6711666, 7227948, 7830277, 8948888, 9293076, 10007928, 10067499, 10841922, 13423332, 14455896, 14541943, 15660554, 16262883, 18586152, 20134998, 21683844, 23490831, 26846664, 29083886, 30202497, 31321108, 32525766, 40269996, 43367688, 43625829, 46981662, 58167772, 60404994, 62642216, 65051532, 70472493, 80539992, 87251658, 93963324, 101793601, 116335544, 120809988, 130103064, 130877487, 140944986, 174503316, 187926648, 203587202, 211417479, 241619976, 261754974, 281889972, 305380803, 349006632, 392632461, 407174404, 422834958, 523509948, 563779944, 610761606, 785264922, 814348808, 845669916, 916142409, 1047019896, 1221523212, 1570529844, 1691339832, 1832284818, 2443046424, 2748427227, 3141059688, 3664569636, 5496854454, 7329139272, 10993708908, 21987417816]

約数ペア:

[(1, 21987417816), (2, 10993708908), (3, 7329139272), (4, 5496854454), (6, 3664569636), (7, 3141059688), (8, 2748427227), (9, 2443046424), (12, 1832284818), (13, 1691339832), (14, 1570529844), (18, 1221523212), (21, 1047019896), (24, 916142409), (26, 845669916), (27, 814348808), (28, 785264922), (36, 610761606), (39, 563779944), (42, 523509948), (52, 422834958), (54, 407174404), (56, 392632461), (63, 349006632), (72, 305380803), (78, 281889972), (84, 261754974), (91, 241619976), (104, 211417479), (108, 203587202), (117, 187926648), (126, 174503316), (156, 140944986), (168, 130877487), (169, 130103064), (182, 120809988), (189, 116335544), (216, 101793601), (234, 93963324), (252, 87251658), (273, 80539992), (312, 70472493), (338, 65051532), (351, 62642216), (364, 60404994), (378, 58167772), (468, 46981662), (504, 43625829), (507, 43367688), (546, 40269996), (676, 32525766), (702, 31321108), (728, 30202497), (756, 29083886), (819, 26846664), (936, 23490831), (1014, 21683844), (1092, 20134998), (1183, 18586152), (1352, 16262883), (1404, 15660554), (1512, 14541943), (1521, 14455896), (1638, 13423332), (2028, 10841922), (2184, 10067499), (2197, 10007928), (2366, 9293076), (2457, 8948888), (2808, 7830277), (3042, 7227948), (3276, 6711666), (3549, 6195384), (4056, 5420961), (4394, 5003964), (4563, 4818632), (4732, 4646538), (4914, 4474444), (6084, 3613974), (6552, 3355833), (6591, 3335976), (6619, 3321864), (7098, 3097692), (8788, 2501982), (9126, 2409316), (9464, 2323269), (9828, 2237222), (10647, 2065128), (12168, 1806987), (13182, 1667988), (13238, 1660932), (14196, 1548846), (15379, 1429704), (17576, 1250991), (18252, 1204658), (19656, 1118611), (19773, 1111992), (19857, 1107288), (21294, 1032564), (26364, 833994), (26476, 830466), (28392, 774423), (30758, 714852), (31941, 688376), (36504, 602329), (39546, 555996), (39714, 553644), (42588, 516282), (46137, 476568), (46333, 474552), (52728, 416997), (52952, 415233), (59319, 370664), (59571, 369096), (61516, 357426), (63882, 344188), (79092, 277998), (79428, 276822), (85176, 258141), (86047, 255528), (92274, 238284), (92666, 237276), (118638, 185332), (119142, 184548), (123032, 178713), (127764, 172094), (138411, 158856), (138999, 158184)]