21637918

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{1429}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 33256080

約数和(自身を除く): 11618162

約数列:

[1, 2, 67, 113, 134, 226, 1429, 2858, 7571, 15142, 95743, 161477, 191486, 322954, 10818959, 21637918]

約数ペア:

[(1, 21637918), (2, 10818959), (67, 322954), (113, 191486), (134, 161477), (226, 95743), (1429, 15142), (2858, 7571)]