21840882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{520021}}^1$

素因数の和:520033

約数の個数: 16

約数和(自身を含む): 49922112

約数和(自身を除く): 28081230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 520021, 1040042, 1560063, 3120126, 3640147, 7280294, 10920441, 21840882]

約数ペア:

[(1, 21840882), (2, 10920441), (3, 7280294), (6, 3640147), (7, 3120126), (14, 1560063), (21, 1040042), (42, 520021)]