21646832

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{2053}}^1$

素因数の和:2720

約数の個数: 20

約数和(自身を含む): 42024840

約数和(自身を除く): 20378008

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2053, 2636, 4106, 5272, 8212, 10544, 16424, 32848, 1352927, 2705854, 5411708, 10823416, 21646832]

約数ペア:

[(1, 21646832), (2, 10823416), (4, 5411708), (8, 2705854), (16, 1352927), (659, 32848), (1318, 16424), (2053, 10544), (2636, 8212), (4106, 5272)]