21717794

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 38793216

約数和(自身を除く): 17075422

約数列:

[1, 2, 7, 14, 31, 62, 163, 217, 307, 326, 434, 614, 1141, 2149, 2282, 4298, 5053, 9517, 10106, 19034, 35371, 50041, 66619, 70742, 100082, 133238, 350287, 700574, 1551271, 3102542, 10858897, 21717794]

約数ペア:

[(1, 21717794), (2, 10858897), (7, 3102542), (14, 1551271), (31, 700574), (62, 350287), (163, 133238), (217, 100082), (307, 70742), (326, 66619), (434, 50041), (614, 35371), (1141, 19034), (2149, 10106), (2282, 9517), (4298, 5053)]