21559428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54443}}^1$

素因数の和:54464

約数の個数: 36

約数和(自身を含む): 59452848

約数和(自身を除く): 37893420

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54443, 108886, 163329, 217772, 326658, 489987, 598873, 653316, 979974, 1197746, 1796619, 1959948, 2395492, 3593238, 5389857, 7186476, 10779714, 21559428]

約数ペア:

[(1, 21559428), (2, 10779714), (3, 7186476), (4, 5389857), (6, 3593238), (9, 2395492), (11, 1959948), (12, 1796619), (18, 1197746), (22, 979974), (33, 653316), (36, 598873), (44, 489987), (66, 326658), (99, 217772), (132, 163329), (198, 108886), (396, 54443)]