21053763

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3767}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 32917248

約数和(自身を除く): 11863485

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3767, 5589, 11301, 33903, 86641, 101709, 259923, 305127, 779769, 915381, 2339307, 7017921, 21053763]

約数ペア:

[(1, 21053763), (3, 7017921), (9, 2339307), (23, 915381), (27, 779769), (69, 305127), (81, 259923), (207, 101709), (243, 86641), (621, 33903), (1863, 11301), (3767, 5589)]