21882100

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1723}}^1$

素因数の和:1864

約数の個数: 36

約数和(自身を含む): 47885824

約数和(自身を除く): 26003724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1723, 2540, 3175, 3446, 6350, 6892, 8615, 12700, 17230, 34460, 43075, 86150, 172300, 218821, 437642, 875284, 1094105, 2188210, 4376420, 5470525, 10941050, 21882100]

約数ペア:

[(1, 21882100), (2, 10941050), (4, 5470525), (5, 4376420), (10, 2188210), (20, 1094105), (25, 875284), (50, 437642), (100, 218821), (127, 172300), (254, 86150), (508, 43075), (635, 34460), (1270, 17230), (1723, 12700), (2540, 8615), (3175, 6892), (3446, 6350)]