21867925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 28498176

約数和(自身を除く): 6630251

約数列:

[1, 5, 25, 37, 47, 185, 235, 503, 925, 1175, 1739, 2515, 8695, 12575, 18611, 23641, 43475, 93055, 118205, 465275, 591025, 874717, 4373585, 21867925]

約数ペア:

[(1, 21867925), (5, 4373585), (25, 874717), (37, 591025), (47, 465275), (185, 118205), (235, 93055), (503, 43475), (925, 23641), (1175, 18611), (1739, 12575), (2515, 8695)]