21951900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{24391}}^1$

素因数の和:24411

約数の個数: 54

約数和(自身を含む): 68809832

約数和(自身を除く): 46857932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 24391, 48782, 73173, 97564, 121955, 146346, 219519, 243910, 292692, 365865, 439038, 487820, 609775, 731730, 878076, 1097595, 1219550, 1463460, 1829325, 2195190, 2439100, 3658650, 4390380, 5487975, 7317300, 10975950, 21951900]

約数ペア:

[(1, 21951900), (2, 10975950), (3, 7317300), (4, 5487975), (5, 4390380), (6, 3658650), (9, 2439100), (10, 2195190), (12, 1829325), (15, 1463460), (18, 1219550), (20, 1097595), (25, 878076), (30, 731730), (36, 609775), (45, 487820), (50, 439038), (60, 365865), (75, 292692), (90, 243910), (100, 219519), (150, 146346), (180, 121955), (225, 97564), (300, 73173), (450, 48782), (900, 24391)]