21000879807

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{5323}}^1\times {\mathrm{77359}}^1$

素因数の和:82702

約数の個数: 16

約数和(自身を含む): 29654254080

約数和(自身を除く): 8653374273

約数列:

[1, 3, 17, 51, 5323, 15969, 77359, 90491, 232077, 271473, 1315103, 3945309, 411781957, 1235345871, 7000293269, 21000879807]

約数ペア:

[(1, 21000879807), (3, 7000293269), (17, 1235345871), (51, 411781957), (5323, 3945309), (15969, 1315103), (77359, 271473), (90491, 232077)]