21190619

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 23677920

約数和(自身を除く): 2487301

約数列:

[1, 17, 29, 53, 493, 811, 901, 1537, 13787, 23519, 26129, 42983, 399823, 730711, 1246507, 21190619]

約数ペア:

[(1, 21190619), (17, 1246507), (29, 730711), (53, 399823), (493, 42983), (811, 26129), (901, 23519), (1537, 13787)]