21000407032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{7681}}^1\times {\mathrm{31069}}^1$

素因数の和:38767

約数の個数: 32

約数和(自身を含む): 42962353200

約数和(自身を除く): 21961946168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 7681, 15362, 30724, 31069, 61448, 62138, 84491, 124276, 168982, 248552, 337964, 341759, 675928, 683518, 1367036, 2734072, 238640989, 477281978, 954563956, 1909127912, 2625050879, 5250101758, 10500203516, 21000407032]

約数ペア:

[(1, 21000407032), (2, 10500203516), (4, 5250101758), (8, 2625050879), (11, 1909127912), (22, 954563956), (44, 477281978), (88, 238640989), (7681, 2734072), (15362, 1367036), (30724, 683518), (31069, 675928), (61448, 341759), (62138, 337964), (84491, 248552), (124276, 168982)]