21198804

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3976

約数の個数: 48

約数和(自身を含む): 55290816

約数和(自身を除く): 34092012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 132, 164, 246, 451, 492, 902, 1353, 1804, 2706, 3917, 5412, 7834, 11751, 15668, 23502, 43087, 47004, 86174, 129261, 160597, 172348, 258522, 321194, 481791, 517044, 642388, 963582, 1766567, 1927164, 3533134, 5299701, 7066268, 10599402, 21198804]

約数ペア:

[(1, 21198804), (2, 10599402), (3, 7066268), (4, 5299701), (6, 3533134), (11, 1927164), (12, 1766567), (22, 963582), (33, 642388), (41, 517044), (44, 481791), (66, 321194), (82, 258522), (123, 172348), (132, 160597), (164, 129261), (246, 86174), (451, 47004), (492, 43087), (902, 23502), (1353, 15668), (1804, 11751), (2706, 7834), (3917, 5412)]