21528700

素因数分解:

$2^2\times 5^2\times {\mathrm{461}}^1\times {\mathrm{467}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 46918872

約数和(自身を除く): 25390172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 461, 467, 922, 934, 1844, 1868, 2305, 2335, 4610, 4670, 9220, 9340, 11525, 11675, 23050, 23350, 46100, 46700, 215287, 430574, 861148, 1076435, 2152870, 4305740, 5382175, 10764350, 21528700]

約数ペア:

[(1, 21528700), (2, 10764350), (4, 5382175), (5, 4305740), (10, 2152870), (20, 1076435), (25, 861148), (50, 430574), (100, 215287), (461, 46700), (467, 46100), (922, 23350), (934, 23050), (1844, 11675), (1868, 11525), (2305, 9340), (2335, 9220), (4610, 4670)]