21492540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13267}}^1$

素因数の和:13288

約数の個数: 60

約数和(自身を含む): 67427976

約数和(自身を除く): 45935436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13267, 26534, 39801, 53068, 66335, 79602, 119403, 132670, 159204, 199005, 238806, 265340, 358209, 398010, 477612, 597015, 716418, 796020, 1074627, 1194030, 1432836, 1791045, 2149254, 2388060, 3582090, 4298508, 5373135, 7164180, 10746270, 21492540]

約数ペア:

[(1, 21492540), (2, 10746270), (3, 7164180), (4, 5373135), (5, 4298508), (6, 3582090), (9, 2388060), (10, 2149254), (12, 1791045), (15, 1432836), (18, 1194030), (20, 1074627), (27, 796020), (30, 716418), (36, 597015), (45, 477612), (54, 398010), (60, 358209), (81, 265340), (90, 238806), (108, 199005), (135, 159204), (162, 132670), (180, 119403), (270, 79602), (324, 66335), (405, 53068), (540, 39801), (810, 26534), (1620, 13267)]