21755602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9791}}^1$

素因数の和:9905

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 14200622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9791, 19582, 107701, 215402, 988891, 1977782, 10877801, 21755602]

約数ペア:

[(1, 21755602), (2, 10877801), (11, 1977782), (22, 988891), (101, 215402), (202, 107701), (1111, 19582), (2222, 9791)]