21710038

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7639}}^1$

素因数の和:7684

約数の個数: 24

約数和(自身を含む): 39193200

約数和(自身を除く): 17483162

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7639, 15278, 53473, 106946, 221531, 374311, 443062, 748622, 1550717, 3101434, 10855019, 21710038]

約数ペア:

[(1, 21710038), (2, 10855019), (7, 3101434), (14, 1550717), (29, 748622), (49, 443062), (58, 374311), (98, 221531), (203, 106946), (406, 53473), (1421, 15278), (2842, 7639)]