21497294

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4073}}^1$

素因数の和:4124

約数の個数: 32

約数和(自身を含む): 41065920

約数和(自身を除く): 19568626

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 4073, 5278, 8146, 28511, 52949, 57022, 105898, 118117, 236234, 370643, 741286, 826819, 1535521, 1653638, 3071042, 10748647, 21497294]

約数ペア:

[(1, 21497294), (2, 10748647), (7, 3071042), (13, 1653638), (14, 1535521), (26, 826819), (29, 741286), (58, 370643), (91, 236234), (182, 118117), (203, 105898), (377, 57022), (406, 52949), (754, 28511), (2639, 8146), (4073, 5278)]