21472750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6607}}^1$

素因数の和:6637

約数の個数: 32

約数和(自身を含む): 43295616

約数和(自身を除く): 21822866

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6607, 13214, 33035, 66070, 85891, 165175, 171782, 330350, 429455, 825875, 858910, 1651750, 2147275, 4294550, 10736375, 21472750]

約数ペア:

[(1, 21472750), (2, 10736375), (5, 4294550), (10, 2147275), (13, 1651750), (25, 858910), (26, 825875), (50, 429455), (65, 330350), (125, 171782), (130, 165175), (250, 85891), (325, 66070), (650, 33035), (1625, 13214), (3250, 6607)]