21855267

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15083}}^1$

素因数の和:15119

約数の個数: 24

約数和(自身を含む): 37649664

約数和(自身を除く): 15794397

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 15083, 45249, 105581, 135747, 316743, 346909, 950229, 1040727, 2428363, 3122181, 7285089, 21855267]

約数ペア:

[(1, 21855267), (3, 7285089), (7, 3122181), (9, 2428363), (21, 1040727), (23, 950229), (63, 346909), (69, 316743), (161, 135747), (207, 105581), (483, 45249), (1449, 15083)]