21209660

素因数分解:

$2^2\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1201}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 44627856

約数和(自身を除く): 23418196

約数列:

[1, 2, 4, 5, 10, 20, 883, 1201, 1766, 2402, 3532, 4415, 4804, 6005, 8830, 12010, 17660, 24020, 1060483, 2120966, 4241932, 5302415, 10604830, 21209660]

約数ペア:

[(1, 21209660), (2, 10604830), (4, 5302415), (5, 4241932), (10, 2120966), (20, 1060483), (883, 24020), (1201, 17660), (1766, 12010), (2402, 8830), (3532, 6005), (4415, 4804)]