21268794

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66883}}^1$

素因数の和:66941

約数の個数: 16

約数和(自身を含む): 43340832

約数和(自身を除く): 22072038

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66883, 133766, 200649, 401298, 3544799, 7089598, 10634397, 21268794]

約数ペア:

[(1, 21268794), (2, 10634397), (3, 7089598), (6, 3544799), (53, 401298), (106, 200649), (159, 133766), (318, 66883)]