21620152

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{4177}}^1$

素因数の和:4830

約数の個数: 16

約数和(自身を含む): 40610160

約数和(自身を除く): 18990008

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 4177, 5176, 8354, 16708, 33416, 2702519, 5405038, 10810076, 21620152]

約数ペア:

[(1, 21620152), (2, 10810076), (4, 5405038), (8, 2702519), (647, 33416), (1294, 16708), (2588, 8354), (4177, 5176)]