21379116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 33456084

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 149, 298, 447, 596, 894, 1087, 1639, 1788, 2174, 3261, 3278, 4348, 4917, 6522, 6556, 9834, 11957, 13044, 19668, 23914, 35871, 47828, 71742, 143484, 161963, 323926, 485889, 647852, 971778, 1781593, 1943556, 3563186, 5344779, 7126372, 10689558, 21379116]

約数ペア:

[(1, 21379116), (2, 10689558), (3, 7126372), (4, 5344779), (6, 3563186), (11, 1943556), (12, 1781593), (22, 971778), (33, 647852), (44, 485889), (66, 323926), (132, 161963), (149, 143484), (298, 71742), (447, 47828), (596, 35871), (894, 23914), (1087, 19668), (1639, 13044), (1788, 11957), (2174, 9834), (3261, 6556), (3278, 6522), (4348, 4917)]