21073580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95789}}^1$

素因数の和:95809

約数の個数: 24

約数和(自身を含む): 48278160

約数和(自身を除く): 27204580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95789, 191578, 383156, 478945, 957890, 1053679, 1915780, 2107358, 4214716, 5268395, 10536790, 21073580]

約数ペア:

[(1, 21073580), (2, 10536790), (4, 5268395), (5, 4214716), (10, 2107358), (11, 1915780), (20, 1053679), (22, 957890), (44, 478945), (55, 383156), (110, 191578), (220, 95789)]