21492018

素因数分解:

$2^1\times 3^2\times {\mathrm{743}}^1\times {\mathrm{1607}}^1$

素因数の和:2358

約数の個数: 24

約数和(自身を含む): 46657728

約数和(自身を除く): 25165710

約数列:

[1, 2, 3, 6, 9, 18, 743, 1486, 1607, 2229, 3214, 4458, 4821, 6687, 9642, 13374, 14463, 28926, 1194001, 2388002, 3582003, 7164006, 10746009, 21492018]

約数ペア:

[(1, 21492018), (2, 10746009), (3, 7164006), (6, 3582003), (9, 2388002), (18, 1194001), (743, 28926), (1486, 14463), (1607, 13374), (2229, 9642), (3214, 6687), (4458, 4821)]