21775465

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 4932503

約数列:

[1, 5, 83, 137, 383, 415, 685, 1915, 11371, 31789, 52471, 56855, 158945, 262355, 4355093, 21775465]

約数ペア:

[(1, 21775465), (5, 4355093), (83, 262355), (137, 158945), (383, 56855), (415, 52471), (685, 31789), (1915, 11371)]