21874090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44641}}^1$

素因数の和:44662

約数の個数: 24

約数和(自身を含む): 45802692

約数和(自身を除く): 23928602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44641, 89282, 223205, 312487, 446410, 624974, 1562435, 2187409, 3124870, 4374818, 10937045, 21874090]

約数ペア:

[(1, 21874090), (2, 10937045), (5, 4374818), (7, 3124870), (10, 2187409), (14, 1562435), (35, 624974), (49, 446410), (70, 312487), (98, 223205), (245, 89282), (490, 44641)]