21527570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3962

約数の個数: 32

約数和(自身を含む): 42206400

約数和(自身を除く): 20678830

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3907, 5510, 7814, 19535, 39070, 74233, 113303, 148466, 226606, 371165, 566515, 742330, 1133030, 2152757, 4305514, 10763785, 21527570]

約数ペア:

[(1, 21527570), (2, 10763785), (5, 4305514), (10, 2152757), (19, 1133030), (29, 742330), (38, 566515), (58, 371165), (95, 226606), (145, 148466), (190, 113303), (290, 74233), (551, 39070), (1102, 19535), (2755, 7814), (3907, 5510)]