21299557447

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1\times {\mathrm{33589}}^1$

素因数の和:34330

約数の個数: 16

約数和(自身を含む): 24540585280

約数和(自身を除く): 3241027833

約数列:

[1, 7, 157, 577, 1099, 4039, 33589, 90589, 235123, 634123, 5273473, 19380853, 36914311, 135665971, 3042793921, 21299557447]

約数ペア:

[(1, 21299557447), (7, 3042793921), (157, 135665971), (577, 36914311), (1099, 19380853), (4039, 5273473), (33589, 634123), (90589, 235123)]