21054960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29243}}^1$

素因数の和:29262

約数の個数: 60

約数和(自身を含む): 70711992

約数和(自身を除く): 49657032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29243, 58486, 87729, 116972, 146215, 175458, 233944, 263187, 292430, 350916, 438645, 467888, 526374, 584860, 701832, 877290, 1052748, 1169720, 1315935, 1403664, 1754580, 2105496, 2339440, 2631870, 3509160, 4210992, 5263740, 7018320, 10527480, 21054960]

約数ペア:

[(1, 21054960), (2, 10527480), (3, 7018320), (4, 5263740), (5, 4210992), (6, 3509160), (8, 2631870), (9, 2339440), (10, 2105496), (12, 1754580), (15, 1403664), (16, 1315935), (18, 1169720), (20, 1052748), (24, 877290), (30, 701832), (36, 584860), (40, 526374), (45, 467888), (48, 438645), (60, 350916), (72, 292430), (80, 263187), (90, 233944), (120, 175458), (144, 146215), (180, 116972), (240, 87729), (360, 58486), (720, 29243)]