21206388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252457}}^1$

素因数の和:252471

約数の個数: 24

約数和(自身を含む): 56550592

約数和(自身を除く): 35344204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252457, 504914, 757371, 1009828, 1514742, 1767199, 3029484, 3534398, 5301597, 7068796, 10603194, 21206388]

約数ペア:

[(1, 21206388), (2, 10603194), (3, 7068796), (4, 5301597), (6, 3534398), (7, 3029484), (12, 1767199), (14, 1514742), (21, 1009828), (28, 757371), (42, 504914), (84, 252457)]