21053265481

素因数分解:

${\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1\times {\mathrm{6653}}^1$

素因数の和:7440

約数の個数: 16

約数和(自身を含む): 21696937344

約数和(自身を除く): 643671863

約数列:

[1, 67, 73, 647, 4891, 6653, 43349, 47231, 445751, 485669, 3164477, 4304491, 32539823, 288400897, 314227843, 21053265481]

約数ペア:

[(1, 21053265481), (67, 314227843), (73, 288400897), (647, 32539823), (4891, 4304491), (6653, 3164477), (43349, 485669), (47231, 445751)]