21375090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2399}}^1$

素因数の和:2429

約数の個数: 80

約数和(自身を含む): 62726400

約数和(自身を除く): 41351310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2399, 2970, 4455, 4798, 7197, 8910, 11995, 14394, 21591, 23990, 26389, 35985, 43182, 52778, 64773, 71970, 79167, 107955, 129546, 131945, 158334, 194319, 215910, 237501, 263890, 323865, 388638, 395835, 475002, 647730, 712503, 791670, 971595, 1187505, 1425006, 1943190, 2137509, 2375010, 3562515, 4275018, 7125030, 10687545, 21375090]

約数ペア:

[(1, 21375090), (2, 10687545), (3, 7125030), (5, 4275018), (6, 3562515), (9, 2375010), (10, 2137509), (11, 1943190), (15, 1425006), (18, 1187505), (22, 971595), (27, 791670), (30, 712503), (33, 647730), (45, 475002), (54, 395835), (55, 388638), (66, 323865), (81, 263890), (90, 237501), (99, 215910), (110, 194319), (135, 158334), (162, 131945), (165, 129546), (198, 107955), (270, 79167), (297, 71970), (330, 64773), (405, 52778), (495, 43182), (594, 35985), (810, 26389), (891, 23990), (990, 21591), (1485, 14394), (1782, 11995), (2399, 8910), (2970, 7197), (4455, 4798)]