21647406

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{761}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 47402496

約数和(自身を除く): 25755090

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 431, 761, 862, 1293, 1522, 2283, 2586, 4566, 4741, 8371, 9482, 14223, 16742, 25113, 28446, 50226, 327991, 655982, 983973, 1967946, 3607901, 7215802, 10823703, 21647406]

約数ペア:

[(1, 21647406), (2, 10823703), (3, 7215802), (6, 3607901), (11, 1967946), (22, 983973), (33, 655982), (66, 327991), (431, 50226), (761, 28446), (862, 25113), (1293, 16742), (1522, 14223), (2283, 9482), (2586, 8371), (4566, 4741)]