21654660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3373}}^1$

素因数の和:3492

約数の個数: 48

約数和(自身を含む): 61217856

約数和(自身を除く): 39563196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3373, 6420, 6746, 10119, 13492, 16865, 20238, 33730, 40476, 50595, 67460, 101190, 202380, 360911, 721822, 1082733, 1443644, 1804555, 2165466, 3609110, 4330932, 5413665, 7218220, 10827330, 21654660]

約数ペア:

[(1, 21654660), (2, 10827330), (3, 7218220), (4, 5413665), (5, 4330932), (6, 3609110), (10, 2165466), (12, 1804555), (15, 1443644), (20, 1082733), (30, 721822), (60, 360911), (107, 202380), (214, 101190), (321, 67460), (428, 50595), (535, 40476), (642, 33730), (1070, 20238), (1284, 16865), (1605, 13492), (2140, 10119), (3210, 6746), (3373, 6420)]