21743778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7727}}^1$

素因数の和:7806

約数の個数: 32

約数和(自身を含む): 50448384

約数和(自身を除く): 28704606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7727, 15454, 23181, 46362, 54089, 108178, 162267, 324534, 517709, 1035418, 1553127, 3106254, 3623963, 7247926, 10871889, 21743778]

約数ペア:

[(1, 21743778), (2, 10871889), (3, 7247926), (6, 3623963), (7, 3106254), (14, 1553127), (21, 1035418), (42, 517709), (67, 324534), (134, 162267), (201, 108178), (402, 54089), (469, 46362), (938, 23181), (1407, 15454), (2814, 7727)]