21011002

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 32257440

約数和(自身を除く): 11246438

約数列:

[1, 2, 53, 106, 379, 523, 758, 1046, 20087, 27719, 40174, 55438, 198217, 396434, 10505501, 21011002]

約数ペア:

[(1, 21011002), (2, 10505501), (53, 396434), (106, 198217), (379, 55438), (523, 40174), (758, 27719), (1046, 20087)]