21777614

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:827

約数の個数: 16

約数和(自身を含む): 33259200

約数和(自身を除く): 11481586

約数列:

[1, 2, 79, 158, 337, 409, 674, 818, 26623, 32311, 53246, 64622, 137833, 275666, 10888807, 21777614]

約数ペア:

[(1, 21777614), (2, 10888807), (79, 275666), (158, 137833), (337, 64622), (409, 53246), (674, 32311), (818, 26623)]