21530886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{276037}}^1$

素因数の和:276055

約数の個数: 16

約数和(自身を含む): 46374384

約数和(自身を除く): 24843498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 276037, 552074, 828111, 1656222, 3588481, 7176962, 10765443, 21530886]

約数ペア:

[(1, 21530886), (2, 10765443), (3, 7176962), (6, 3588481), (13, 1656222), (26, 828111), (39, 552074), (78, 276037)]