21128844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2713}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 54714240

約数和(自身を除く): 33585396

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 132, 177, 236, 354, 649, 708, 1298, 1947, 2596, 2713, 3894, 5426, 7788, 8139, 10852, 16278, 29843, 32556, 59686, 89529, 119372, 160067, 179058, 320134, 358116, 480201, 640268, 960402, 1760737, 1920804, 3521474, 5282211, 7042948, 10564422, 21128844]

約数ペア:

[(1, 21128844), (2, 10564422), (3, 7042948), (4, 5282211), (6, 3521474), (11, 1920804), (12, 1760737), (22, 960402), (33, 640268), (44, 480201), (59, 358116), (66, 320134), (118, 179058), (132, 160067), (177, 119372), (236, 89529), (354, 59686), (649, 32556), (708, 29843), (1298, 16278), (1947, 10852), (2596, 8139), (2713, 7788), (3894, 5426)]