21838041

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 32277960

約数和(自身を除く): 10439919

約数列:

[1, 3, 9, 109, 113, 197, 327, 339, 591, 981, 1017, 1773, 12317, 21473, 22261, 36951, 64419, 66783, 110853, 193257, 200349, 2426449, 7279347, 21838041]

約数ペア:

[(1, 21838041), (3, 7279347), (9, 2426449), (109, 200349), (113, 193257), (197, 110853), (327, 66783), (339, 64419), (591, 36951), (981, 22261), (1017, 21473), (1773, 12317)]