21351402

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 27788598

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 149, 171, 298, 342, 419, 447, 838, 894, 1257, 1341, 2514, 2682, 2831, 3771, 5662, 7542, 7961, 8493, 15922, 16986, 23883, 25479, 47766, 50958, 62431, 71649, 124862, 143298, 187293, 374586, 561879, 1123758, 1186189, 2372378, 3558567, 7117134, 10675701, 21351402]

約数ペア:

[(1, 21351402), (2, 10675701), (3, 7117134), (6, 3558567), (9, 2372378), (18, 1186189), (19, 1123758), (38, 561879), (57, 374586), (114, 187293), (149, 143298), (171, 124862), (298, 71649), (342, 62431), (419, 50958), (447, 47766), (838, 25479), (894, 23883), (1257, 16986), (1341, 15922), (2514, 8493), (2682, 7961), (2831, 7542), (3771, 5662)]