21000577659

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{59723}}^1$

素因数の和:59975

約数の個数: 32

約数和(自身を含む): 30578688000

約数和(自身を除く): 9578110341

約数列:

[1, 3, 19, 31, 57, 93, 199, 589, 597, 1767, 3781, 6169, 11343, 18507, 59723, 117211, 179169, 351633, 1134737, 1851413, 3404211, 5554239, 11884877, 35176847, 35654631, 105530541, 225812663, 368431187, 677437989, 1105293561, 7000192553, 21000577659]

約数ペア:

[(1, 21000577659), (3, 7000192553), (19, 1105293561), (31, 677437989), (57, 368431187), (93, 225812663), (199, 105530541), (589, 35654631), (597, 35176847), (1767, 11884877), (3781, 5554239), (6169, 3404211), (11343, 1851413), (18507, 1134737), (59723, 351633), (117211, 179169)]