21231456

素因数分解:

$2^5\times 3^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 56271600

約数和(自身を除く): 35040144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 109, 218, 327, 436, 654, 872, 1308, 1744, 2029, 2616, 3488, 4058, 5232, 6087, 8116, 10464, 12174, 16232, 24348, 32464, 48696, 64928, 97392, 194784, 221161, 442322, 663483, 884644, 1326966, 1769288, 2653932, 3538576, 5307864, 7077152, 10615728, 21231456]

約数ペア:

[(1, 21231456), (2, 10615728), (3, 7077152), (4, 5307864), (6, 3538576), (8, 2653932), (12, 1769288), (16, 1326966), (24, 884644), (32, 663483), (48, 442322), (96, 221161), (109, 194784), (218, 97392), (327, 64928), (436, 48696), (654, 32464), (872, 24348), (1308, 16232), (1744, 12174), (2029, 10464), (2616, 8116), (3488, 6087), (4058, 5232)]