21738708

素因数分解:

$2^2\times 3^2\times {\mathrm{603853}}^1$

素因数の和:603863

約数の個数: 18

約数和(自身を含む): 54950714

約数和(自身を除く): 33212006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 603853, 1207706, 1811559, 2415412, 3623118, 5434677, 7246236, 10869354, 21738708]

約数ペア:

[(1, 21738708), (2, 10869354), (3, 7246236), (4, 5434677), (6, 3623118), (9, 2415412), (12, 1811559), (18, 1207706), (36, 603853)]