21092270

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31481}}^1$

素因数の和:31555

約数の個数: 16

約数和(自身を含む): 38533968

約数和(自身を除く): 17441698

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31481, 62962, 157405, 314810, 2109227, 4218454, 10546135, 21092270]

約数ペア:

[(1, 21092270), (2, 10546135), (5, 4218454), (10, 2109227), (67, 314810), (134, 157405), (335, 62962), (670, 31481)]