21253860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39359}}^1$

素因数の和:39377

約数の個数: 48

約数和(自身を含む): 66124800

約数和(自身を除く): 44870940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39359, 78718, 118077, 157436, 196795, 236154, 354231, 393590, 472308, 590385, 708462, 787180, 1062693, 1180770, 1416924, 1771155, 2125386, 2361540, 3542310, 4250772, 5313465, 7084620, 10626930, 21253860]

約数ペア:

[(1, 21253860), (2, 10626930), (3, 7084620), (4, 5313465), (5, 4250772), (6, 3542310), (9, 2361540), (10, 2125386), (12, 1771155), (15, 1416924), (18, 1180770), (20, 1062693), (27, 787180), (30, 708462), (36, 590385), (45, 472308), (54, 393590), (60, 354231), (90, 236154), (108, 196795), (135, 157436), (180, 118077), (270, 78718), (540, 39359)]