21243840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22129}}^1$

素因数の和:22149

約数の個数: 56

約数和(自身を含む): 67452240

約数和(自身を除く): 46208400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22129, 44258, 66387, 88516, 110645, 132774, 177032, 221290, 265548, 331935, 354064, 442580, 531096, 663870, 708128, 885160, 1062192, 1327740, 1416256, 1770320, 2124384, 2655480, 3540640, 4248768, 5310960, 7081280, 10621920, 21243840]

約数ペア:

[(1, 21243840), (2, 10621920), (3, 7081280), (4, 5310960), (5, 4248768), (6, 3540640), (8, 2655480), (10, 2124384), (12, 1770320), (15, 1416256), (16, 1327740), (20, 1062192), (24, 885160), (30, 708128), (32, 663870), (40, 531096), (48, 442580), (60, 354064), (64, 331935), (80, 265548), (96, 221290), (120, 177032), (160, 132774), (192, 110645), (240, 88516), (320, 66387), (480, 44258), (960, 22129)]