21428388

素因数分解:

$2^2\times 3^4\times {\mathrm{66137}}^1$

素因数の和:66153

約数の個数: 30

約数和(自身を含む): 56018886

約数和(自身を除く): 34590498

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66137, 132274, 198411, 264548, 396822, 595233, 793644, 1190466, 1785699, 2380932, 3571398, 5357097, 7142796, 10714194, 21428388]

約数ペア:

[(1, 21428388), (2, 10714194), (3, 7142796), (4, 5357097), (6, 3571398), (9, 2380932), (12, 1785699), (18, 1190466), (27, 793644), (36, 595233), (54, 396822), (81, 264548), (108, 198411), (162, 132274), (324, 66137)]