21045514

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1831}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 36141696

約数和(自身を除く): 15096182

約数列:

[1, 2, 7, 14, 821, 1642, 1831, 3662, 5747, 11494, 12817, 25634, 1503251, 3006502, 10522757, 21045514]

約数ペア:

[(1, 21045514), (2, 10522757), (7, 3006502), (14, 1503251), (821, 25634), (1642, 12817), (1831, 11494), (3662, 5747)]