21173650

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5801}}^1$

素因数の和:5886

約数の個数: 24

約数和(自身を含む): 39929364

約数和(自身を除く): 18755714

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5801, 11602, 29005, 58010, 145025, 290050, 423473, 846946, 2117365, 4234730, 10586825, 21173650]

約数ペア:

[(1, 21173650), (2, 10586825), (5, 4234730), (10, 2117365), (25, 846946), (50, 423473), (73, 290050), (146, 145025), (365, 58010), (730, 29005), (1825, 11602), (3650, 5801)]