21200450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14621}}^1$

素因数の和:14662

約数の個数: 24

約数和(自身を含む): 40795380

約数和(自身を除く): 19594930

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14621, 29242, 73105, 146210, 365525, 424009, 731050, 848018, 2120045, 4240090, 10600225, 21200450]

約数ペア:

[(1, 21200450), (2, 10600225), (5, 4240090), (10, 2120045), (25, 848018), (29, 731050), (50, 424009), (58, 365525), (145, 146210), (290, 73105), (725, 29242), (1450, 14621)]