21430238

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1931}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 11954722

約数列:

[1, 2, 31, 62, 179, 358, 1931, 3862, 5549, 11098, 59861, 119722, 345649, 691298, 10715119, 21430238]

約数ペア:

[(1, 21430238), (2, 10715119), (31, 691298), (62, 345649), (179, 119722), (358, 59861), (1931, 11098), (3862, 5549)]