21096779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 24631776

約数和(自身を除く): 3534997

約数列:

[1, 11, 17, 101, 187, 1111, 1117, 1717, 12287, 18887, 18989, 112817, 208879, 1240987, 1917889, 21096779]

約数ペア:

[(1, 21096779), (11, 1917889), (17, 1240987), (101, 208879), (187, 112817), (1111, 18989), (1117, 18887), (1717, 12287)]