21999794

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 33605376

約数和(自身を除く): 11605582

約数列:

[1, 2, 97, 151, 194, 302, 751, 1502, 14647, 29294, 72847, 113401, 145694, 226802, 10999897, 21999794]

約数ペア:

[(1, 21999794), (2, 10999897), (97, 226802), (151, 145694), (194, 113401), (302, 72847), (751, 29294), (1502, 14647)]