21240918

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13259}}^1$

素因数の和:13356

約数の個数: 24

約数和(自身を含む): 46542600

約数和(自身を除く): 25301682

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13259, 26518, 39777, 79554, 119331, 238662, 1180051, 2360102, 3540153, 7080306, 10620459, 21240918]

約数ペア:

[(1, 21240918), (2, 10620459), (3, 7080306), (6, 3540153), (9, 2360102), (18, 1180051), (89, 238662), (178, 119331), (267, 79554), (534, 39777), (801, 26518), (1602, 13259)]