21740829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4363}}^1$

素因数の和:4528

約数の個数: 16

約数和(自身を含む): 31839744

約数和(自身を除く): 10098915

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4363, 4983, 13089, 47993, 143979, 658813, 1976439, 7246943, 21740829]

約数ペア:

[(1, 21740829), (3, 7246943), (11, 1976439), (33, 658813), (151, 143979), (453, 47993), (1661, 13089), (4363, 4983)]