21412250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2089}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 19668790

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 2089, 4178, 5125, 10250, 10445, 20890, 52225, 85649, 104450, 171298, 261125, 428245, 522250, 856490, 2141225, 4282450, 10706125, 21412250]

約数ペア:

[(1, 21412250), (2, 10706125), (5, 4282450), (10, 2141225), (25, 856490), (41, 522250), (50, 428245), (82, 261125), (125, 171298), (205, 104450), (250, 85649), (410, 52225), (1025, 20890), (2050, 10445), (2089, 10250), (4178, 5125)]