21798063

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20353}}^1$

素因数の和:20383

約数の個数: 24

約数和(自身を含む): 38102688

約数和(自身を除く): 16304625

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 20353, 61059, 142471, 183177, 346001, 427413, 1038003, 1282239, 2422007, 3114009, 7266021, 21798063]

約数ペア:

[(1, 21798063), (3, 7266021), (7, 3114009), (9, 2422007), (17, 1282239), (21, 1038003), (51, 427413), (63, 346001), (119, 183177), (153, 142471), (357, 61059), (1071, 20353)]