21703340

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7283}}^1$

素因数の和:7441

約数の個数: 24

約数和(自身を含む): 45889200

約数和(自身を除く): 24185860

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 7283, 14566, 29132, 36415, 72830, 145660, 1085167, 2170334, 4340668, 5425835, 10851670, 21703340]

約数ペア:

[(1, 21703340), (2, 10851670), (4, 5425835), (5, 4340668), (10, 2170334), (20, 1085167), (149, 145660), (298, 72830), (596, 36415), (745, 29132), (1490, 14566), (2980, 7283)]