21100656

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^2$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 56501592

約数和(自身を除く): 35400936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 109, 111, 148, 218, 222, 296, 327, 436, 444, 592, 654, 872, 888, 1308, 1744, 1776, 2616, 4033, 5232, 8066, 11881, 12099, 16132, 23762, 24198, 32264, 35643, 47524, 48396, 64528, 71286, 95048, 96792, 142572, 190096, 193584, 285144, 439597, 570288, 879194, 1318791, 1758388, 2637582, 3516776, 5275164, 7033552, 10550328, 21100656]

約数ペア:

[(1, 21100656), (2, 10550328), (3, 7033552), (4, 5275164), (6, 3516776), (8, 2637582), (12, 1758388), (16, 1318791), (24, 879194), (37, 570288), (48, 439597), (74, 285144), (109, 193584), (111, 190096), (148, 142572), (218, 96792), (222, 95048), (296, 71286), (327, 64528), (436, 48396), (444, 47524), (592, 35643), (654, 32264), (872, 24198), (888, 23762), (1308, 16132), (1744, 12099), (1776, 11881), (2616, 8066), (4033, 5232)]