21190492

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2137}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 38672144

約数和(自身を除く): 17481652

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2137, 2479, 4274, 4958, 8548, 9916, 79069, 143179, 158138, 286358, 316276, 572716, 5297623, 10595246, 21190492]

約数ペア:

[(1, 21190492), (2, 10595246), (4, 5297623), (37, 572716), (67, 316276), (74, 286358), (134, 158138), (148, 143179), (268, 79069), (2137, 9916), (2479, 8548), (4274, 4958)]