21960026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9883}}^1$

素因数の和:9997

約数の個数: 16

約数和(自身を含む): 36294048

約数和(自身を除く): 14334022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9883, 19766, 108713, 217426, 998183, 1996366, 10980013, 21960026]

約数ペア:

[(1, 21960026), (2, 10980013), (11, 1996366), (22, 998183), (101, 217426), (202, 108713), (1111, 19766), (2222, 9883)]