2021308090

素因数分解:

$2^1\times 5^1\times {\mathrm{2699}}^1\times {\mathrm{74891}}^1$

素因数の和:77597

約数の個数: 16

約数和(自身を含む): 3639751200

約数和(自身を除く): 1618443110

約数列:

[1, 2, 5, 10, 2699, 5398, 13495, 26990, 74891, 149782, 374455, 748910, 202130809, 404261618, 1010654045, 2021308090]

約数ペア:

[(1, 2021308090), (2, 1010654045), (5, 404261618), (10, 202130809), (2699, 748910), (5398, 374455), (13495, 149782), (26990, 74891)]