21103763331

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{552469}}^1$

素因数の和:552603

約数の個数: 32

約数和(自身を含む): 34368053760

約数和(自身を除く): 13264290429

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2247, 5457, 12733, 38199, 552469, 1657407, 3867283, 9391973, 11601849, 28175919, 59114183, 65743811, 177342549, 197231433, 413799281, 1004941111, 1241397843, 3014823333, 7034587777, 21103763331]

約数ペア:

[(1, 21103763331), (3, 7034587777), (7, 3014823333), (17, 1241397843), (21, 1004941111), (51, 413799281), (107, 197231433), (119, 177342549), (321, 65743811), (357, 59114183), (749, 28175919), (1819, 11601849), (2247, 9391973), (5457, 3867283), (12733, 1657407), (38199, 552469)]