21741615

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7669}}^1$

素因数の和:7693

約数の個数: 40

約数和(自身を含む): 44547360

約数和(自身を除く): 22805745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7669, 23007, 38345, 53683, 69021, 115035, 161049, 207063, 268415, 345105, 483147, 621189, 805245, 1035315, 1449441, 2415735, 3105945, 4348323, 7247205, 21741615]

約数ペア:

[(1, 21741615), (3, 7247205), (5, 4348323), (7, 3105945), (9, 2415735), (15, 1449441), (21, 1035315), (27, 805245), (35, 621189), (45, 483147), (63, 345105), (81, 268415), (105, 207063), (135, 161049), (189, 115035), (315, 69021), (405, 53683), (567, 38345), (945, 23007), (2835, 7669)]