21501360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29863}}^1$

素因数の和:29882

約数の個数: 60

約数和(自身を含む): 72211152

約数和(自身を除く): 50709792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29863, 59726, 89589, 119452, 149315, 179178, 238904, 268767, 298630, 358356, 447945, 477808, 537534, 597260, 716712, 895890, 1075068, 1194520, 1343835, 1433424, 1791780, 2150136, 2389040, 2687670, 3583560, 4300272, 5375340, 7167120, 10750680, 21501360]

約数ペア:

[(1, 21501360), (2, 10750680), (3, 7167120), (4, 5375340), (5, 4300272), (6, 3583560), (8, 2687670), (9, 2389040), (10, 2150136), (12, 1791780), (15, 1433424), (16, 1343835), (18, 1194520), (20, 1075068), (24, 895890), (30, 716712), (36, 597260), (40, 537534), (45, 477808), (48, 447945), (60, 358356), (72, 298630), (80, 268767), (90, 238904), (120, 179178), (144, 149315), (180, 119452), (240, 89589), (360, 59726), (720, 29863)]