21568323

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6301}}^1$

素因数の和:6474

約数の個数: 16

約数和(自身を含む): 33072896

約数和(自身を除く): 11504573

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6301, 18903, 44107, 132321, 1027063, 3081189, 7189441, 21568323]

約数ペア:

[(1, 21568323), (3, 7189441), (7, 3081189), (21, 1027063), (163, 132321), (489, 44107), (1141, 18903), (3423, 6301)]