21406800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17839}}^1$

素因数の和:17860

約数の個数: 60

約数和(自身を含む): 68576960

約数和(自身を除く): 47170160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17839, 35678, 53517, 71356, 89195, 107034, 142712, 178390, 214068, 267585, 285424, 356780, 428136, 445975, 535170, 713560, 856272, 891950, 1070340, 1337925, 1427120, 1783900, 2140680, 2675850, 3567800, 4281360, 5351700, 7135600, 10703400, 21406800]

約数ペア:

[(1, 21406800), (2, 10703400), (3, 7135600), (4, 5351700), (5, 4281360), (6, 3567800), (8, 2675850), (10, 2140680), (12, 1783900), (15, 1427120), (16, 1337925), (20, 1070340), (24, 891950), (25, 856272), (30, 713560), (40, 535170), (48, 445975), (50, 428136), (60, 356780), (75, 285424), (80, 267585), (100, 214068), (120, 178390), (150, 142712), (200, 107034), (240, 89195), (300, 71356), (400, 53517), (600, 35678), (1200, 17839)]