21537090

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8863}}^1$

素因数の和:8885

約数の個数: 48

約数和(自身を含む): 58076928

約数和(自身を除く): 36539838

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8863, 17726, 26589, 44315, 53178, 79767, 88630, 132945, 159534, 239301, 265890, 398835, 478602, 717903, 797670, 1196505, 1435806, 2153709, 2393010, 3589515, 4307418, 7179030, 10768545, 21537090]

約数ペア:

[(1, 21537090), (2, 10768545), (3, 7179030), (5, 4307418), (6, 3589515), (9, 2393010), (10, 2153709), (15, 1435806), (18, 1196505), (27, 797670), (30, 717903), (45, 478602), (54, 398835), (81, 265890), (90, 239301), (135, 159534), (162, 132945), (243, 88630), (270, 79767), (405, 53178), (486, 44315), (810, 26589), (1215, 17726), (2430, 8863)]