21024993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2351}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 30707712

約数和(自身を除く): 9682719

約数列:

[1, 3, 11, 33, 271, 813, 2351, 2981, 7053, 8943, 25861, 77583, 637121, 1911363, 7008331, 21024993]

約数ペア:

[(1, 21024993), (3, 7008331), (11, 1911363), (33, 637121), (271, 77583), (813, 25861), (2351, 8943), (2981, 7053)]