21401814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7177}}^1$

素因数の和:7260

約数の個数: 32

約数和(自身を含む): 49614336

約数和(自身を除く): 28212522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7177, 14354, 21531, 43062, 50239, 100478, 150717, 301434, 509567, 1019134, 1528701, 3057402, 3566969, 7133938, 10700907, 21401814]

約数ペア:

[(1, 21401814), (2, 10700907), (3, 7133938), (6, 3566969), (7, 3057402), (14, 1528701), (21, 1019134), (42, 509567), (71, 301434), (142, 150717), (213, 100478), (426, 50239), (497, 43062), (994, 21531), (1491, 14354), (2982, 7177)]