21891626644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{480881}}^1$

素因数の和:481503

約数の個数: 24

約数和(自身を含む): 40394088000

約数和(自身を除く): 18502461356

約数列:

[1, 2, 4, 19, 38, 76, 599, 1198, 2396, 11381, 22762, 45524, 480881, 961762, 1923524, 9136739, 18273478, 36546956, 288047719, 576095438, 1152190876, 5472906661, 10945813322, 21891626644]

約数ペア:

[(1, 21891626644), (2, 10945813322), (4, 5472906661), (19, 1152190876), (38, 576095438), (76, 288047719), (599, 36546956), (1198, 18273478), (2396, 9136739), (11381, 1923524), (22762, 961762), (45524, 480881)]