21048645

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9293}}^1$

素因数の和:9452

約数の個数: 16

約数和(自身を含む): 33904512

約数和(自身を除く): 12855867

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9293, 27879, 46465, 139395, 1403243, 4209729, 7016215, 21048645]

約数ペア:

[(1, 21048645), (3, 7016215), (5, 4209729), (15, 1403243), (151, 139395), (453, 46465), (755, 27879), (2265, 9293)]