21261306

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5281}}^1$

素因数の和:5358

約数の個数: 32

約数和(自身を含む): 47157696

約数和(自身を除く): 25896390

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 183, 366, 671, 1342, 2013, 4026, 5281, 10562, 15843, 31686, 58091, 116182, 174273, 322141, 348546, 644282, 966423, 1932846, 3543551, 7087102, 10630653, 21261306]

約数ペア:

[(1, 21261306), (2, 10630653), (3, 7087102), (6, 3543551), (11, 1932846), (22, 966423), (33, 644282), (61, 348546), (66, 322141), (122, 174273), (183, 116182), (366, 58091), (671, 31686), (1342, 15843), (2013, 10562), (4026, 5281)]