21465120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 68257728

約数和(自身を除く): 46792608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 197, 227, 240, 394, 454, 480, 591, 681, 788, 908, 985, 1135, 1182, 1362, 1576, 1816, 1970, 2270, 2364, 2724, 2955, 3152, 3405, 3632, 3940, 4540, 4728, 5448, 5910, 6304, 6810, 7264, 7880, 9080, 9456, 10896, 11820, 13620, 15760, 18160, 18912, 21792, 23640, 27240, 31520, 36320, 44719, 47280, 54480, 89438, 94560, 108960, 134157, 178876, 223595, 268314, 357752, 447190, 536628, 670785, 715504, 894380, 1073256, 1341570, 1431008, 1788760, 2146512, 2683140, 3577520, 4293024, 5366280, 7155040, 10732560, 21465120]

約数ペア:

[(1, 21465120), (2, 10732560), (3, 7155040), (4, 5366280), (5, 4293024), (6, 3577520), (8, 2683140), (10, 2146512), (12, 1788760), (15, 1431008), (16, 1341570), (20, 1073256), (24, 894380), (30, 715504), (32, 670785), (40, 536628), (48, 447190), (60, 357752), (80, 268314), (96, 223595), (120, 178876), (160, 134157), (197, 108960), (227, 94560), (240, 89438), (394, 54480), (454, 47280), (480, 44719), (591, 36320), (681, 31520), (788, 27240), (908, 23640), (985, 21792), (1135, 18912), (1182, 18160), (1362, 15760), (1576, 13620), (1816, 11820), (1970, 10896), (2270, 9456), (2364, 9080), (2724, 7880), (2955, 7264), (3152, 6810), (3405, 6304), (3632, 5910), (3940, 5448), (4540, 4728)]