21953760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45737}}^1$

素因数の和:45755

約数の個数: 48

約数和(自身を含む): 69155856

約数和(自身を除く): 47202096

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, 240, 480, 45737, 91474, 137211, 182948, 228685, 274422, 365896, 457370, 548844, 686055, 731792, 914740, 1097688, 1372110, 1463584, 1829480, 2195376, 2744220, 3658960, 4390752, 5488440, 7317920, 10976880, 21953760]

約数ペア:

[(1, 21953760), (2, 10976880), (3, 7317920), (4, 5488440), (5, 4390752), (6, 3658960), (8, 2744220), (10, 2195376), (12, 1829480), (15, 1463584), (16, 1372110), (20, 1097688), (24, 914740), (30, 731792), (32, 686055), (40, 548844), (48, 457370), (60, 365896), (80, 274422), (96, 228685), (120, 182948), (160, 137211), (240, 91474), (480, 45737)]