21003950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38189}}^1$

素因数の和:38212

約数の個数: 24

約数和(自身を含む): 42620040

約数和(自身を除く): 21616090

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38189, 76378, 190945, 381890, 420079, 840158, 954725, 1909450, 2100395, 4200790, 10501975, 21003950]

約数ペア:

[(1, 21003950), (2, 10501975), (5, 4200790), (10, 2100395), (11, 1909450), (22, 954725), (25, 840158), (50, 420079), (55, 381890), (110, 190945), (275, 76378), (550, 38189)]