21000866812

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{863}}^1\times {\mathrm{47903}}^1$

素因数の和:48897

約数の個数: 24

約数和(自身を含む): 37084594176

約数和(自身を除く): 16083727364

約数列:

[1, 2, 4, 127, 254, 508, 863, 1726, 3452, 47903, 95806, 109601, 191612, 219202, 438404, 6083681, 12167362, 24334724, 41340289, 82680578, 165361156, 5250216703, 10500433406, 21000866812]

約数ペア:

[(1, 21000866812), (2, 10500433406), (4, 5250216703), (127, 165361156), (254, 82680578), (508, 41340289), (863, 24334724), (1726, 12167362), (3452, 6083681), (47903, 438404), (95806, 219202), (109601, 191612)]