21286716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161263}}^1$

素因数の和:161281

約数の個数: 24

約数和(自身を含む): 54184704

約数和(自身を除く): 32897988

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161263, 322526, 483789, 645052, 967578, 1773893, 1935156, 3547786, 5321679, 7095572, 10643358, 21286716]

約数ペア:

[(1, 21286716), (2, 10643358), (3, 7095572), (4, 5321679), (6, 3547786), (11, 1935156), (12, 1773893), (22, 967578), (33, 645052), (44, 483789), (66, 322526), (132, 161263)]