21442668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137453}}^1$

素因数の和:137473

約数の個数: 24

約数和(自身を含む): 53881968

約数和(自身を除く): 32439300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137453, 274906, 412359, 549812, 824718, 1649436, 1786889, 3573778, 5360667, 7147556, 10721334, 21442668]

約数ペア:

[(1, 21442668), (2, 10721334), (3, 7147556), (4, 5360667), (6, 3573778), (12, 1786889), (13, 1649436), (26, 824718), (39, 549812), (52, 412359), (78, 274906), (156, 137453)]