21055330

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17928350

約数列:

[1, 2, 5, 10, 59, 118, 127, 254, 281, 295, 562, 590, 635, 1270, 1405, 2810, 7493, 14986, 16579, 33158, 35687, 37465, 71374, 74930, 82895, 165790, 178435, 356870, 2105533, 4211066, 10527665, 21055330]

約数ペア:

[(1, 21055330), (2, 10527665), (5, 4211066), (10, 2105533), (59, 356870), (118, 178435), (127, 165790), (254, 82895), (281, 74930), (295, 71374), (562, 37465), (590, 35687), (635, 33158), (1270, 16579), (1405, 14986), (2810, 7493)]