21191467

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 2613461

約数列:

[1, 11, 53, 163, 223, 583, 1793, 2453, 8639, 11819, 36349, 95029, 130009, 399839, 1926497, 21191467]

約数ペア:

[(1, 21191467), (11, 1926497), (53, 399839), (163, 130009), (223, 95029), (583, 36349), (1793, 11819), (2453, 8639)]