21192794

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7457}}^1$

素因数の和:7502

約数の個数: 24

約数和(自身を含む): 38259540

約数和(自身を除く): 17066746

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7457, 14914, 52199, 104398, 216253, 365393, 432506, 730786, 1513771, 3027542, 10596397, 21192794]

約数ペア:

[(1, 21192794), (2, 10596397), (7, 3027542), (14, 1513771), (29, 730786), (49, 432506), (58, 365393), (98, 216253), (203, 104398), (406, 52199), (1421, 14914), (2842, 7457)]