21870294575

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{2273}}^1\times {\mathrm{4637}}^1$

素因数の和:7003

約数の個数: 24

約数和(自身を含む): 27463898448

約数和(自身を除く): 5593603873

約数列:

[1, 5, 25, 83, 415, 2075, 2273, 4637, 11365, 23185, 56825, 115925, 188659, 384871, 943295, 1924355, 4716475, 9621775, 10539901, 52699505, 263497525, 874811783, 4374058915, 21870294575]

約数ペア:

[(1, 21870294575), (5, 4374058915), (25, 874811783), (83, 263497525), (415, 52699505), (2075, 10539901), (2273, 9621775), (4637, 4716475), (11365, 1924355), (23185, 943295), (56825, 384871), (115925, 188659)]