21016030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300229}}^1$

素因数の和:300243

約数の個数: 16

約数和(自身を含む): 43233120

約数和(自身を除く): 22217090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300229, 600458, 1501145, 2101603, 3002290, 4203206, 10508015, 21016030]

約数ペア:

[(1, 21016030), (2, 10508015), (5, 4203206), (7, 3002290), (10, 2101603), (14, 1501145), (35, 600458), (70, 300229)]