20212501891

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{65357}}^1$

素因数の和:65814

約数の個数: 16

約数和(自身を含む): 21850486560

約数和(自身を除く): 1637984669

約数列:

[1, 19, 41, 397, 779, 7543, 16277, 65357, 309263, 1241783, 2679637, 25946729, 50913103, 492987851, 1063815889, 20212501891]

約数ペア:

[(1, 20212501891), (19, 1063815889), (41, 492987851), (397, 50913103), (779, 25946729), (7543, 2679637), (16277, 1241783), (65357, 309263)]