21643743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1063}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 31562496

約数和(自身を除く): 9918753

約数列:

[1, 3, 11, 33, 617, 1063, 1851, 3189, 6787, 11693, 20361, 35079, 655871, 1967613, 7214581, 21643743]

約数ペア:

[(1, 21643743), (3, 7214581), (11, 1967613), (33, 655871), (617, 35079), (1063, 20361), (1851, 11693), (3189, 6787)]