21370778877

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{67141}}^1$

素因数の和:67833

約数の個数: 32

約数和(自身を含む): 34032936960

約数和(自身を除く): 12662158083

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 659, 1977, 4613, 13839, 15157, 45471, 67141, 106099, 201423, 318297, 469987, 1409961, 1544243, 4632729, 10809701, 32429103, 44245919, 132737757, 309721433, 929164299, 1017656137, 3052968411, 7123592959, 21370778877]

約数ペア:

[(1, 21370778877), (3, 7123592959), (7, 3052968411), (21, 1017656137), (23, 929164299), (69, 309721433), (161, 132737757), (483, 44245919), (659, 32429103), (1977, 10809701), (4613, 4632729), (13839, 1544243), (15157, 1409961), (45471, 469987), (67141, 318297), (106099, 201423)]