21814779

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6373}}^1$

素因数の和:6546

約数の個数: 16

約数和(自身を含む): 33450752

約数和(自身を除く): 11635973

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6373, 19119, 44611, 133833, 1038799, 3116397, 7271593, 21814779]

約数ペア:

[(1, 21814779), (3, 7271593), (7, 3116397), (21, 1038799), (163, 133833), (489, 44611), (1141, 19119), (3423, 6373)]