21036435

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{28621}}^1$

素因数の和:28643

約数の個数: 24

約数和(自身を含む): 39154896

約数和(自身を除く): 18118461

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 28621, 85863, 143105, 200347, 429315, 601041, 1001735, 1402429, 3005205, 4207287, 7012145, 21036435]

約数ペア:

[(1, 21036435), (3, 7012145), (5, 4207287), (7, 3005205), (15, 1402429), (21, 1001735), (35, 601041), (49, 429315), (105, 200347), (147, 143105), (245, 85863), (735, 28621)]