21213492

素因数分解:

$2^2\times 3^1\times {\mathrm{887}}^1\times {\mathrm{1993}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 49578816

約数和(自身を除く): 28365324

約数列:

[1, 2, 3, 4, 6, 12, 887, 1774, 1993, 2661, 3548, 3986, 5322, 5979, 7972, 10644, 11958, 23916, 1767791, 3535582, 5303373, 7071164, 10606746, 21213492]

約数ペア:

[(1, 21213492), (2, 10606746), (3, 7071164), (4, 5303373), (6, 3535582), (12, 1767791), (887, 23916), (1774, 11958), (1993, 10644), (2661, 7972), (3548, 5979), (3986, 5322)]