21097898

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2141

約数の個数: 16

約数和(自身を含む): 32542080

約数和(自身を除く): 11444182

約数列:

[1, 2, 67, 79, 134, 158, 1993, 3986, 5293, 10586, 133531, 157447, 267062, 314894, 10548949, 21097898]

約数ペア:

[(1, 21097898), (2, 10548949), (67, 314894), (79, 267062), (134, 157447), (158, 133531), (1993, 10586), (3986, 5293)]