21050127

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4987}}^1$

素因数の和:5067

約数の個数: 24

約数和(自身を含む): 35275136

約数和(自身を除く): 14225009

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4987, 14961, 34909, 44883, 104727, 314181, 334129, 1002387, 2338903, 3007161, 7016709, 21050127]

約数ペア:

[(1, 21050127), (3, 7016709), (7, 3007161), (9, 2338903), (21, 1002387), (63, 334129), (67, 314181), (201, 104727), (469, 44883), (603, 34909), (1407, 14961), (4221, 4987)]