21445706

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 13608502

約数列:

[1, 2, 23, 41, 46, 82, 83, 137, 166, 274, 943, 1886, 1909, 3151, 3403, 3818, 5617, 6302, 6806, 11234, 11371, 22742, 78269, 129191, 156538, 258382, 261533, 466211, 523066, 932422, 10722853, 21445706]

約数ペア:

[(1, 21445706), (2, 10722853), (23, 932422), (41, 523066), (46, 466211), (82, 261533), (83, 258382), (137, 156538), (166, 129191), (274, 78269), (943, 22742), (1886, 11371), (1909, 11234), (3151, 6806), (3403, 6302), (3818, 5617)]