21784510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6829}}^1$

素因数の和:6876

約数の個数: 32

約数和(自身を含む): 44258400

約数和(自身を除く): 22473890

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6829, 13658, 34145, 68290, 75119, 150238, 198041, 375595, 396082, 751190, 990205, 1980410, 2178451, 4356902, 10892255, 21784510]

約数ペア:

[(1, 21784510), (2, 10892255), (5, 4356902), (10, 2178451), (11, 1980410), (22, 990205), (29, 751190), (55, 396082), (58, 375595), (110, 198041), (145, 150238), (290, 75119), (319, 68290), (638, 34145), (1595, 13658), (3190, 6829)]