21894710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 41221440

約数和(自身を除く): 19326730

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 733, 1030, 1466, 2987, 3665, 5974, 7330, 14935, 21257, 29870, 42514, 75499, 106285, 150998, 212570, 377495, 754990, 2189471, 4378942, 10947355, 21894710]

約数ペア:

[(1, 21894710), (2, 10947355), (5, 4378942), (10, 2189471), (29, 754990), (58, 377495), (103, 212570), (145, 150998), (206, 106285), (290, 75499), (515, 42514), (733, 29870), (1030, 21257), (1466, 14935), (2987, 7330), (3665, 5974)]