21675212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{797}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 40978896

約数和(自身を除く): 19303684

約数列:

[1, 2, 4, 13, 26, 52, 523, 797, 1046, 1594, 2092, 3188, 6799, 10361, 13598, 20722, 27196, 41444, 416831, 833662, 1667324, 5418803, 10837606, 21675212]

約数ペア:

[(1, 21675212), (2, 10837606), (4, 5418803), (13, 1667324), (26, 833662), (52, 416831), (523, 41444), (797, 27196), (1046, 20722), (1594, 13598), (2092, 10361), (3188, 6799)]