21794480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 60

約数和(自身を含む): 52340400

約数和(自身を除く): 30545920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 199, 296, 370, 398, 592, 740, 796, 995, 1369, 1480, 1592, 1990, 2738, 2960, 3184, 3980, 5476, 6845, 7363, 7960, 10952, 13690, 14726, 15920, 21904, 27380, 29452, 36815, 54760, 58904, 73630, 109520, 117808, 147260, 272431, 294520, 544862, 589040, 1089724, 1362155, 2179448, 2724310, 4358896, 5448620, 10897240, 21794480]

約数ペア:

[(1, 21794480), (2, 10897240), (4, 5448620), (5, 4358896), (8, 2724310), (10, 2179448), (16, 1362155), (20, 1089724), (37, 589040), (40, 544862), (74, 294520), (80, 272431), (148, 147260), (185, 117808), (199, 109520), (296, 73630), (370, 58904), (398, 54760), (592, 36815), (740, 29452), (796, 27380), (995, 21904), (1369, 15920), (1480, 14726), (1592, 13690), (1990, 10952), (2738, 7960), (2960, 7363), (3184, 6845), (3980, 5476)]