21293500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1207

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26509892

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1151, 1850, 2302, 3700, 4604, 4625, 5755, 9250, 11510, 18500, 23020, 28775, 42587, 57550, 85174, 115100, 143875, 170348, 212935, 287750, 425870, 575500, 851740, 1064675, 2129350, 4258700, 5323375, 10646750, 21293500]

約数ペア:

[(1, 21293500), (2, 10646750), (4, 5323375), (5, 4258700), (10, 2129350), (20, 1064675), (25, 851740), (37, 575500), (50, 425870), (74, 287750), (100, 212935), (125, 170348), (148, 143875), (185, 115100), (250, 85174), (370, 57550), (500, 42587), (740, 28775), (925, 23020), (1151, 18500), (1850, 11510), (2302, 9250), (3700, 5755), (4604, 4625)]