21067935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{709}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 38714880

約数和(自身を除く): 17646945

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 709, 849, 1415, 1981, 2127, 3545, 4245, 4963, 5943, 9905, 10635, 14889, 24815, 29715, 74445, 200647, 601941, 1003235, 1404529, 3009705, 4213587, 7022645, 21067935]

約数ペア:

[(1, 21067935), (3, 7022645), (5, 4213587), (7, 3009705), (15, 1404529), (21, 1003235), (35, 601941), (105, 200647), (283, 74445), (709, 29715), (849, 24815), (1415, 14889), (1981, 10635), (2127, 9905), (3545, 5943), (4245, 4963)]