21493734

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 44077056

約数和(自身を除く): 22583322

約数列:

[1, 2, 3, 6, 67, 127, 134, 201, 254, 381, 402, 421, 762, 842, 1263, 2526, 8509, 17018, 25527, 28207, 51054, 53467, 56414, 84621, 106934, 160401, 169242, 320802, 3582289, 7164578, 10746867, 21493734]

約数ペア:

[(1, 21493734), (2, 10746867), (3, 7164578), (6, 3582289), (67, 320802), (127, 169242), (134, 160401), (201, 106934), (254, 84621), (381, 56414), (402, 53467), (421, 51054), (762, 28207), (842, 25527), (1263, 17018), (2526, 8509)]