21200853

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2753}}^1$

素因数の和:2924

約数の個数: 16

約数和(自身を含む): 30139776

約数和(自身を除く): 8938923

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2753, 7701, 8259, 46801, 140403, 415703, 1247109, 7066951, 21200853]

約数ペア:

[(1, 21200853), (3, 7066951), (17, 1247109), (51, 415703), (151, 140403), (453, 46801), (2567, 8259), (2753, 7701)]