21000786866657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{353257193}}^1$

素因数の和:353257492

約数の個数: 16

約数和(自身を含む): 24035619479760

約数和(自身を除く): 3034832613103

約数列:

[1, 13, 17, 221, 269, 3497, 4573, 59449, 353257193, 4592343509, 6005372281, 78069839653, 95026184917, 1235340403921, 1615445143589, 21000786866657]

約数ペア:

[(1, 21000786866657), (13, 1615445143589), (17, 1235340403921), (221, 95026184917), (269, 78069839653), (3497, 6005372281), (4573, 4592343509), (59449, 353257193)]