21945260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15031}}^1$

素因数の和:15113

約数の個数: 24

約数和(自身を含む): 46719456

約数和(自身を除く): 24774196

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 15031, 30062, 60124, 75155, 150310, 300620, 1097263, 2194526, 4389052, 5486315, 10972630, 21945260]

約数ペア:

[(1, 21945260), (2, 10972630), (4, 5486315), (5, 4389052), (10, 2194526), (20, 1097263), (73, 300620), (146, 150310), (292, 75155), (365, 60124), (730, 30062), (1460, 15031)]