21284100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7883}}^1$

素因数の和:7906

約数の個数: 72

約数和(自身を含む): 68433120

約数和(自身を除く): 47149020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7883, 15766, 23649, 31532, 39415, 47298, 70947, 78830, 94596, 118245, 141894, 157660, 197075, 212841, 236490, 283788, 354735, 394150, 425682, 472980, 591225, 709470, 788300, 851364, 1064205, 1182450, 1418940, 1773675, 2128410, 2364900, 3547350, 4256820, 5321025, 7094700, 10642050, 21284100]

約数ペア:

[(1, 21284100), (2, 10642050), (3, 7094700), (4, 5321025), (5, 4256820), (6, 3547350), (9, 2364900), (10, 2128410), (12, 1773675), (15, 1418940), (18, 1182450), (20, 1064205), (25, 851364), (27, 788300), (30, 709470), (36, 591225), (45, 472980), (50, 425682), (54, 394150), (60, 354735), (75, 283788), (90, 236490), (100, 212841), (108, 197075), (135, 157660), (150, 141894), (180, 118245), (225, 94596), (270, 78830), (300, 70947), (450, 47298), (540, 39415), (675, 31532), (900, 23649), (1350, 15766), (2700, 7883)]