21811977

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{271}}^2$

素因数の和:562

約数の個数: 24

約数和(自身を含む): 35382240

約数和(自身を除く): 13570263

約数列:

[1, 3, 9, 11, 27, 33, 99, 271, 297, 813, 2439, 2981, 7317, 8943, 26829, 73441, 80487, 220323, 660969, 807851, 1982907, 2423553, 7270659, 21811977]

約数ペア:

[(1, 21811977), (3, 7270659), (9, 2423553), (11, 1982907), (27, 807851), (33, 660969), (99, 220323), (271, 80487), (297, 73441), (813, 26829), (2439, 8943), (2981, 7317)]