21664536

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 57492480

約数和(自身を除く): 35827944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 248, 296, 372, 444, 744, 787, 888, 1147, 1574, 2294, 2361, 3148, 3441, 4588, 4722, 6296, 6882, 9176, 9444, 13764, 18888, 24397, 27528, 29119, 48794, 58238, 73191, 87357, 97588, 116476, 146382, 174714, 195176, 232952, 292764, 349428, 585528, 698856, 902689, 1805378, 2708067, 3610756, 5416134, 7221512, 10832268, 21664536]

約数ペア:

[(1, 21664536), (2, 10832268), (3, 7221512), (4, 5416134), (6, 3610756), (8, 2708067), (12, 1805378), (24, 902689), (31, 698856), (37, 585528), (62, 349428), (74, 292764), (93, 232952), (111, 195176), (124, 174714), (148, 146382), (186, 116476), (222, 97588), (248, 87357), (296, 73191), (372, 58238), (444, 48794), (744, 29119), (787, 27528), (888, 24397), (1147, 18888), (1574, 13764), (2294, 9444), (2361, 9176), (3148, 6882), (3441, 6296), (4588, 4722)]