21111430

素因数分解:

$2^1\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1831}}^1$

素因数の和:2991

約数の個数: 16

約数和(自身を含む): 38054304

約数和(自身を除く): 16942874

約数列:

[1, 2, 5, 10, 1153, 1831, 2306, 3662, 5765, 9155, 11530, 18310, 2111143, 4222286, 10555715, 21111430]

約数ペア:

[(1, 21111430), (2, 10555715), (5, 4222286), (10, 2111143), (1153, 18310), (1831, 11530), (2306, 9155), (3662, 5765)]