21779640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 71604000

約数和(自身を除く): 49824360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 599, 606, 808, 909, 1010, 1198, 1212, 1515, 1797, 1818, 2020, 2396, 2424, 2995, 3030, 3594, 3636, 4040, 4545, 4792, 5391, 5990, 6060, 7188, 7272, 8985, 9090, 10782, 11980, 12120, 14376, 17970, 18180, 21564, 23960, 26955, 35940, 36360, 43128, 53910, 60499, 71880, 107820, 120998, 181497, 215640, 241996, 302495, 362994, 483992, 544491, 604990, 725988, 907485, 1088982, 1209980, 1451976, 1814970, 2177964, 2419960, 2722455, 3629940, 4355928, 5444910, 7259880, 10889820, 21779640]

約数ペア:

[(1, 21779640), (2, 10889820), (3, 7259880), (4, 5444910), (5, 4355928), (6, 3629940), (8, 2722455), (9, 2419960), (10, 2177964), (12, 1814970), (15, 1451976), (18, 1209980), (20, 1088982), (24, 907485), (30, 725988), (36, 604990), (40, 544491), (45, 483992), (60, 362994), (72, 302495), (90, 241996), (101, 215640), (120, 181497), (180, 120998), (202, 107820), (303, 71880), (360, 60499), (404, 53910), (505, 43128), (599, 36360), (606, 35940), (808, 26955), (909, 23960), (1010, 21564), (1198, 18180), (1212, 17970), (1515, 14376), (1797, 12120), (1818, 11980), (2020, 10782), (2396, 9090), (2424, 8985), (2995, 7272), (3030, 7188), (3594, 6060), (3636, 5990), (4040, 5391), (4545, 4792)]