21476885

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1549}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 26784000

約数和(自身を除く): 5307115

約数列:

[1, 5, 47, 59, 235, 295, 1549, 2773, 7745, 13865, 72803, 91391, 364015, 456955, 4295377, 21476885]

約数ペア:

[(1, 21476885), (5, 4295377), (47, 456955), (59, 364015), (235, 91391), (295, 72803), (1549, 13865), (2773, 7745)]