21860260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57527}}^1$

素因数の和:57555

約数の個数: 24

約数和(自身を含む): 48323520

約数和(自身を除く): 26463260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 57527, 115054, 230108, 287635, 575270, 1093013, 1150540, 2186026, 4372052, 5465065, 10930130, 21860260]

約数ペア:

[(1, 21860260), (2, 10930130), (4, 5465065), (5, 4372052), (10, 2186026), (19, 1150540), (20, 1093013), (38, 575270), (76, 287635), (95, 230108), (190, 115054), (380, 57527)]