21377083

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 27534192

約数和(自身を除く): 6157109

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 907, 1813, 3367, 6349, 11791, 23569, 33559, 44443, 82537, 234913, 436267, 577759, 1644391, 3053869, 21377083]

約数ペア:

[(1, 21377083), (7, 3053869), (13, 1644391), (37, 577759), (49, 436267), (91, 234913), (259, 82537), (481, 44443), (637, 33559), (907, 23569), (1813, 11791), (3367, 6349)]