21797919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16937}}^1$

素因数の和:16967

約数の個数: 24

約数和(自身を含む): 36992592

約数和(自身を除く): 15194673

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16937, 50811, 152433, 186307, 220181, 558921, 660543, 1676763, 1981629, 2421991, 7265973, 21797919]

約数ペア:

[(1, 21797919), (3, 7265973), (9, 2421991), (11, 1981629), (13, 1676763), (33, 660543), (39, 558921), (99, 220181), (117, 186307), (143, 152433), (429, 50811), (1287, 16937)]