21057360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87739}}^1$

素因数の和:87755

約数の個数: 40

約数和(自身を含む): 65278560

約数和(自身を除く): 44221200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87739, 175478, 263217, 350956, 438695, 526434, 701912, 877390, 1052868, 1316085, 1403824, 1754780, 2105736, 2632170, 3509560, 4211472, 5264340, 7019120, 10528680, 21057360]

約数ペア:

[(1, 21057360), (2, 10528680), (3, 7019120), (4, 5264340), (5, 4211472), (6, 3509560), (8, 2632170), (10, 2105736), (12, 1754780), (15, 1403824), (16, 1316085), (20, 1052868), (24, 877390), (30, 701912), (40, 526434), (48, 438695), (60, 350956), (80, 263217), (120, 175478), (240, 87739)]