21232432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{102079}}^1$

素因数の和:102100

約数の個数: 20

約数和(自身を含む): 44302720

約数和(自身を除く): 23070288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 102079, 204158, 408316, 816632, 1327027, 1633264, 2654054, 5308108, 10616216, 21232432]

約数ペア:

[(1, 21232432), (2, 10616216), (4, 5308108), (8, 2654054), (13, 1633264), (16, 1327027), (26, 816632), (52, 408316), (104, 204158), (208, 102079)]