21380370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 56871936

約数和(自身を除く): 35491566

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 201, 330, 335, 402, 670, 737, 967, 1005, 1474, 1934, 2010, 2211, 2901, 3685, 4422, 4835, 5802, 7370, 9670, 10637, 11055, 14505, 21274, 22110, 29010, 31911, 53185, 63822, 64789, 106370, 129578, 159555, 194367, 319110, 323945, 388734, 647890, 712679, 971835, 1425358, 1943670, 2138037, 3563395, 4276074, 7126790, 10690185, 21380370]

約数ペア:

[(1, 21380370), (2, 10690185), (3, 7126790), (5, 4276074), (6, 3563395), (10, 2138037), (11, 1943670), (15, 1425358), (22, 971835), (30, 712679), (33, 647890), (55, 388734), (66, 323945), (67, 319110), (110, 194367), (134, 159555), (165, 129578), (201, 106370), (330, 64789), (335, 63822), (402, 53185), (670, 31911), (737, 29010), (967, 22110), (1005, 21274), (1474, 14505), (1934, 11055), (2010, 10637), (2211, 9670), (2901, 7370), (3685, 5802), (4422, 4835)]