21149550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1154

約数の個数: 72

約数和(自身を含む): 58196424

約数和(自身を除く): 37046874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1093, 1290, 1935, 2150, 2186, 3225, 3279, 3870, 5465, 6450, 6558, 9675, 9837, 10930, 16395, 19350, 19674, 27325, 32790, 46999, 49185, 54650, 81975, 93998, 98370, 140997, 163950, 234995, 245925, 281994, 422991, 469990, 491850, 704985, 845982, 1174975, 1409970, 2114955, 2349950, 3524925, 4229910, 7049850, 10574775, 21149550]

約数ペア:

[(1, 21149550), (2, 10574775), (3, 7049850), (5, 4229910), (6, 3524925), (9, 2349950), (10, 2114955), (15, 1409970), (18, 1174975), (25, 845982), (30, 704985), (43, 491850), (45, 469990), (50, 422991), (75, 281994), (86, 245925), (90, 234995), (129, 163950), (150, 140997), (215, 98370), (225, 93998), (258, 81975), (387, 54650), (430, 49185), (450, 46999), (645, 32790), (774, 27325), (1075, 19674), (1093, 19350), (1290, 16395), (1935, 10930), (2150, 9837), (2186, 9675), (3225, 6558), (3279, 6450), (3870, 5465)]