21626980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14813}}^1$

素因数の和:14895

約数の個数: 24

約数和(自身を含む): 46041912

約数和(自身を除く): 24414932

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14813, 29626, 59252, 74065, 148130, 296260, 1081349, 2162698, 4325396, 5406745, 10813490, 21626980]

約数ペア:

[(1, 21626980), (2, 10813490), (4, 5406745), (5, 4325396), (10, 2162698), (20, 1081349), (73, 296260), (146, 148130), (292, 74065), (365, 59252), (730, 29626), (1460, 14813)]