21793651

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 3089549

約数列:

[1, 11, 31, 79, 341, 809, 869, 2449, 8899, 25079, 26939, 63911, 275869, 703021, 1981241, 21793651]

約数ペア:

[(1, 21793651), (11, 1981241), (31, 703021), (79, 275869), (341, 63911), (809, 26939), (869, 25079), (2449, 8899)]