21198528

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 69342000

約数和(自身を除く): 48143472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 144, 149, 152, 156, 171, 192, 208, 228, 234, 247, 288, 298, 304, 312, 342, 416, 447, 456, 468, 494, 576, 596, 608, 624, 684, 741, 832, 894, 912, 936, 988, 1192, 1216, 1248, 1341, 1368, 1482, 1788, 1824, 1872, 1937, 1976, 2223, 2384, 2496, 2682, 2736, 2831, 2964, 3576, 3648, 3744, 3874, 3952, 4446, 4768, 5364, 5472, 5662, 5811, 5928, 7152, 7488, 7748, 7904, 8493, 8892, 9536, 10728, 10944, 11324, 11622, 11856, 14304, 15496, 15808, 16986, 17433, 17784, 21456, 22648, 23244, 23712, 25479, 28608, 30992, 33972, 34866, 35568, 36803, 42912, 45296, 46488, 47424, 50958, 61984, 67944, 69732, 71136, 73606, 85824, 90592, 92976, 101916, 110409, 123968, 135888, 139464, 142272, 147212, 181184, 185952, 203832, 220818, 271776, 278928, 294424, 331227, 371904, 407664, 441636, 543552, 557856, 588848, 662454, 815328, 883272, 1115712, 1177696, 1324908, 1630656, 1766544, 2355392, 2649816, 3533088, 5299632, 7066176, 10599264, 21198528]

約数ペア:

[(1, 21198528), (2, 10599264), (3, 7066176), (4, 5299632), (6, 3533088), (8, 2649816), (9, 2355392), (12, 1766544), (13, 1630656), (16, 1324908), (18, 1177696), (19, 1115712), (24, 883272), (26, 815328), (32, 662454), (36, 588848), (38, 557856), (39, 543552), (48, 441636), (52, 407664), (57, 371904), (64, 331227), (72, 294424), (76, 278928), (78, 271776), (96, 220818), (104, 203832), (114, 185952), (117, 181184), (144, 147212), (149, 142272), (152, 139464), (156, 135888), (171, 123968), (192, 110409), (208, 101916), (228, 92976), (234, 90592), (247, 85824), (288, 73606), (298, 71136), (304, 69732), (312, 67944), (342, 61984), (416, 50958), (447, 47424), (456, 46488), (468, 45296), (494, 42912), (576, 36803), (596, 35568), (608, 34866), (624, 33972), (684, 30992), (741, 28608), (832, 25479), (894, 23712), (912, 23244), (936, 22648), (988, 21456), (1192, 17784), (1216, 17433), (1248, 16986), (1341, 15808), (1368, 15496), (1482, 14304), (1788, 11856), (1824, 11622), (1872, 11324), (1937, 10944), (1976, 10728), (2223, 9536), (2384, 8892), (2496, 8493), (2682, 7904), (2736, 7748), (2831, 7488), (2964, 7152), (3576, 5928), (3648, 5811), (3744, 5662), (3874, 5472), (3952, 5364), (4446, 4768)]