21352730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43577}}^1$

素因数の和:43598

約数の個数: 24

約数和(自身を含む): 44711028

約数和(自身を除く): 23358298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 43577, 87154, 217885, 305039, 435770, 610078, 1525195, 2135273, 3050390, 4270546, 10676365, 21352730]

約数ペア:

[(1, 21352730), (2, 10676365), (5, 4270546), (7, 3050390), (10, 2135273), (14, 1525195), (35, 610078), (49, 435770), (70, 305039), (98, 217885), (245, 87154), (490, 43577)]