21590247343

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{67049}}^1$

素因数の和:67506

約数の個数: 16

約数和(自身を含む): 24916852800

約数和(自身を除く): 3326605457

約数列:

[1, 7, 157, 293, 1099, 2051, 46001, 67049, 322007, 469343, 10526693, 19645357, 73686851, 137517499, 3084321049, 21590247343]

約数ペア:

[(1, 21590247343), (7, 3084321049), (157, 137517499), (293, 73686851), (1099, 19645357), (2051, 10526693), (46001, 469343), (67049, 322007)]