21739452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258803}}^1$

素因数の和:258817

約数の個数: 24

約数和(自身を含む): 57972096

約数和(自身を除く): 36232644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258803, 517606, 776409, 1035212, 1552818, 1811621, 3105636, 3623242, 5434863, 7246484, 10869726, 21739452]

約数ペア:

[(1, 21739452), (2, 10869726), (3, 7246484), (4, 5434863), (6, 3623242), (7, 3105636), (12, 1811621), (14, 1552818), (21, 1035212), (28, 776409), (42, 517606), (84, 258803)]