21966650

素因数分解:

$2^1\times 5^2\times {\mathrm{461}}^1\times {\mathrm{953}}^1$

素因数の和:1426

約数の個数: 24

約数和(自身を含む): 40989564

約数和(自身を除く): 19022914

約数列:

[1, 2, 5, 10, 25, 50, 461, 922, 953, 1906, 2305, 4610, 4765, 9530, 11525, 23050, 23825, 47650, 439333, 878666, 2196665, 4393330, 10983325, 21966650]

約数ペア:

[(1, 21966650), (2, 10983325), (5, 4393330), (10, 2196665), (25, 878666), (50, 439333), (461, 47650), (922, 23825), (953, 23050), (1906, 11525), (2305, 9530), (4610, 4765)]