21403416

素因数分解:

$2^3\times 3^1\times {\mathrm{891809}}^1$

素因数の和:891818

約数の個数: 16

約数和(自身を含む): 53508600

約数和(自身を除く): 32105184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891809, 1783618, 2675427, 3567236, 5350854, 7134472, 10701708, 21403416]

約数ペア:

[(1, 21403416), (2, 10701708), (3, 7134472), (4, 5350854), (6, 3567236), (8, 2675427), (12, 1783618), (24, 891809)]