21018708

素因数分解:

$2^2\times 3^2\times {\mathrm{583853}}^1$

素因数の和:583863

約数の個数: 18

約数和(自身を含む): 53130714

約数和(自身を除く): 32112006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583853, 1167706, 1751559, 2335412, 3503118, 5254677, 7006236, 10509354, 21018708]

約数ペア:

[(1, 21018708), (2, 10509354), (3, 7006236), (4, 5254677), (6, 3503118), (9, 2335412), (12, 1751559), (18, 1167706), (36, 583853)]