21667496

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 20685784

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 1031, 2062, 2627, 4124, 5254, 8248, 10508, 21016, 38147, 73201, 76294, 146402, 152588, 292804, 305176, 585608, 2708437, 5416874, 10833748, 21667496]

約数ペア:

[(1, 21667496), (2, 10833748), (4, 5416874), (8, 2708437), (37, 585608), (71, 305176), (74, 292804), (142, 152588), (148, 146402), (284, 76294), (296, 73201), (568, 38147), (1031, 21016), (2062, 10508), (2627, 8248), (4124, 5254)]