21863315

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 26977440

約数和(自身を除く): 5114125

約数列:

[1, 5, 61, 97, 305, 485, 739, 3695, 5917, 29585, 45079, 71683, 225395, 358415, 4372663, 21863315]

約数ペア:

[(1, 21863315), (5, 4372663), (61, 358415), (97, 225395), (305, 71683), (485, 45079), (739, 29585), (3695, 5917)]