21769110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 72

約数和(自身を含む): 62244000

約数和(自身を除く): 40474890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 1999, 2178, 3630, 3998, 5445, 5997, 9995, 10890, 11994, 17991, 19990, 21989, 29985, 35982, 43978, 59970, 65967, 89955, 109945, 131934, 179910, 197901, 219890, 241879, 329835, 395802, 483758, 659670, 725637, 989505, 1209395, 1451274, 1979010, 2176911, 2418790, 3628185, 4353822, 7256370, 10884555, 21769110]

約数ペア:

[(1, 21769110), (2, 10884555), (3, 7256370), (5, 4353822), (6, 3628185), (9, 2418790), (10, 2176911), (11, 1979010), (15, 1451274), (18, 1209395), (22, 989505), (30, 725637), (33, 659670), (45, 483758), (55, 395802), (66, 329835), (90, 241879), (99, 219890), (110, 197901), (121, 179910), (165, 131934), (198, 109945), (242, 89955), (330, 65967), (363, 59970), (495, 43978), (605, 35982), (726, 29985), (990, 21989), (1089, 19990), (1210, 17991), (1815, 11994), (1999, 10890), (2178, 9995), (3630, 5997), (3998, 5445)]