21532580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22907}}^1$

素因数の和:22963

約数の個数: 24

約数和(自身を含む): 46182528

約数和(自身を除く): 24649948

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22907, 45814, 91628, 114535, 229070, 458140, 1076629, 2153258, 4306516, 5383145, 10766290, 21532580]

約数ペア:

[(1, 21532580), (2, 10766290), (4, 5383145), (5, 4306516), (10, 2153258), (20, 1076629), (47, 458140), (94, 229070), (188, 114535), (235, 91628), (470, 45814), (940, 22907)]