21098228

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{743}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 38330880

約数和(自身を除く): 17232652

約数列:

[1, 2, 4, 31, 62, 124, 229, 458, 743, 916, 1486, 2972, 7099, 14198, 23033, 28396, 46066, 92132, 170147, 340294, 680588, 5274557, 10549114, 21098228]

約数ペア:

[(1, 21098228), (2, 10549114), (4, 5274557), (31, 680588), (62, 340294), (124, 170147), (229, 92132), (458, 46066), (743, 28396), (916, 23033), (1486, 14198), (2972, 7099)]