21303840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44383}}^1$

素因数の和:44401

約数の個数: 48

約数和(自身を含む): 67108608

約数和(自身を除く): 45804768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44383, 88766, 133149, 177532, 221915, 266298, 355064, 443830, 532596, 665745, 710128, 887660, 1065192, 1331490, 1420256, 1775320, 2130384, 2662980, 3550640, 4260768, 5325960, 7101280, 10651920, 21303840]

約数ペア:

[(1, 21303840), (2, 10651920), (3, 7101280), (4, 5325960), (5, 4260768), (6, 3550640), (8, 2662980), (10, 2130384), (12, 1775320), (15, 1420256), (16, 1331490), (20, 1065192), (24, 887660), (30, 710128), (32, 665745), (40, 532596), (48, 443830), (60, 355064), (80, 266298), (96, 221915), (120, 177532), (160, 133149), (240, 88766), (480, 44383)]