21530682

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19609}}^1$

素因数の和:19678

約数の個数: 24

約数和(自身を含む): 47416980

約数和(自身を除く): 25886298

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19609, 39218, 58827, 117654, 176481, 352962, 1196149, 2392298, 3588447, 7176894, 10765341, 21530682]

約数ペア:

[(1, 21530682), (2, 10765341), (3, 7176894), (6, 3588447), (9, 2392298), (18, 1196149), (61, 352962), (122, 176481), (183, 117654), (366, 58827), (549, 39218), (1098, 19609)]