21243525

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9137}}^1$

素因数の和:9181

約数の個数: 24

約数和(自身を含む): 36259584

約数和(自身を除く): 15016059

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9137, 27411, 45685, 137055, 228425, 283247, 685275, 849741, 1416235, 4248705, 7081175, 21243525]

約数ペア:

[(1, 21243525), (3, 7081175), (5, 4248705), (15, 1416235), (25, 849741), (31, 685275), (75, 283247), (93, 228425), (155, 137055), (465, 45685), (775, 27411), (2325, 9137)]