21394152

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 67536000

約数和(自身を除く): 46141848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 104, 108, 114, 117, 152, 156, 171, 216, 228, 234, 247, 312, 342, 351, 401, 456, 468, 494, 513, 684, 702, 741, 802, 936, 988, 1026, 1203, 1368, 1404, 1482, 1604, 1976, 2052, 2223, 2406, 2808, 2964, 3208, 3609, 4104, 4446, 4812, 5213, 5928, 6669, 7218, 7619, 8892, 9624, 10426, 10827, 13338, 14436, 15238, 15639, 17784, 20852, 21654, 22857, 26676, 28872, 30476, 31278, 41704, 43308, 45714, 46917, 53352, 60952, 62556, 68571, 86616, 91428, 93834, 99047, 125112, 137142, 140751, 182856, 187668, 198094, 205713, 274284, 281502, 297141, 375336, 396188, 411426, 548568, 563004, 594282, 792376, 822852, 891423, 1126008, 1188564, 1645704, 1782846, 2377128, 2674269, 3565692, 5348538, 7131384, 10697076, 21394152]

約数ペア:

[(1, 21394152), (2, 10697076), (3, 7131384), (4, 5348538), (6, 3565692), (8, 2674269), (9, 2377128), (12, 1782846), (13, 1645704), (18, 1188564), (19, 1126008), (24, 891423), (26, 822852), (27, 792376), (36, 594282), (38, 563004), (39, 548568), (52, 411426), (54, 396188), (57, 375336), (72, 297141), (76, 281502), (78, 274284), (104, 205713), (108, 198094), (114, 187668), (117, 182856), (152, 140751), (156, 137142), (171, 125112), (216, 99047), (228, 93834), (234, 91428), (247, 86616), (312, 68571), (342, 62556), (351, 60952), (401, 53352), (456, 46917), (468, 45714), (494, 43308), (513, 41704), (684, 31278), (702, 30476), (741, 28872), (802, 26676), (936, 22857), (988, 21654), (1026, 20852), (1203, 17784), (1368, 15639), (1404, 15238), (1482, 14436), (1604, 13338), (1976, 10827), (2052, 10426), (2223, 9624), (2406, 8892), (2808, 7619), (2964, 7218), (3208, 6669), (3609, 5928), (4104, 5213), (4446, 4812)]