21000391618

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7818463}}^1$

素因数の和:7818561

約数の個数: 16

約数和(自身を含む): 33775764480

約数和(自身を除く): 12775372862

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7818463, 15636926, 132913871, 265827742, 617658577, 1235317154, 10500195809, 21000391618]

約数ペア:

[(1, 21000391618), (2, 10500195809), (17, 1235317154), (34, 617658577), (79, 265827742), (158, 132913871), (1343, 15636926), (2686, 7818463)]