21772179

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5639}}^1$

素因数の和:5672

約数の個数: 32

約数和(自身を含む): 37900800

約数和(自身を除く): 16128621

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5639, 16917, 50751, 62029, 73307, 152253, 186087, 219921, 558261, 659763, 806377, 1674783, 1979289, 2419131, 7257393, 21772179]

約数ペア:

[(1, 21772179), (3, 7257393), (9, 2419131), (11, 1979289), (13, 1674783), (27, 806377), (33, 659763), (39, 558261), (99, 219921), (117, 186087), (143, 152253), (297, 73307), (351, 62029), (429, 50751), (1287, 16917), (3861, 5639)]