21420162

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22453}}^1$

素因数の和:22514

約数の個数: 24

約数和(自身を含む): 47288124

約数和(自身を除く): 25867962

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22453, 44906, 67359, 134718, 202077, 404154, 1190009, 2380018, 3570027, 7140054, 10710081, 21420162]

約数ペア:

[(1, 21420162), (2, 10710081), (3, 7140054), (6, 3570027), (9, 2380018), (18, 1190009), (53, 404154), (106, 202077), (159, 134718), (318, 67359), (477, 44906), (954, 22453)]