21547368

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{829}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 61664850

約数和(自身を除く): 40117482

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 829, 1083, 1368, 1444, 1658, 2166, 2487, 2888, 3249, 3316, 4332, 4974, 6498, 6632, 7461, 8664, 9948, 12996, 14922, 15751, 19896, 25992, 29844, 31502, 47253, 59688, 63004, 94506, 126008, 141759, 189012, 283518, 299269, 378024, 567036, 598538, 897807, 1134072, 1197076, 1795614, 2394152, 2693421, 3591228, 5386842, 7182456, 10773684, 21547368]

約数ペア:

[(1, 21547368), (2, 10773684), (3, 7182456), (4, 5386842), (6, 3591228), (8, 2693421), (9, 2394152), (12, 1795614), (18, 1197076), (19, 1134072), (24, 897807), (36, 598538), (38, 567036), (57, 378024), (72, 299269), (76, 283518), (114, 189012), (152, 141759), (171, 126008), (228, 94506), (342, 63004), (361, 59688), (456, 47253), (684, 31502), (722, 29844), (829, 25992), (1083, 19896), (1368, 15751), (1444, 14922), (1658, 12996), (2166, 9948), (2487, 8664), (2888, 7461), (3249, 6632), (3316, 6498), (4332, 4974)]