21167005881

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2069}}^1\times {\mathrm{28657}}^1$

素因数の和:30753

約数の個数: 32

約数和(自身を含む): 34169506560

約数和(自身を除く): 13002500679

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2069, 6207, 14483, 28657, 35173, 43449, 85971, 105519, 200599, 246211, 487169, 601797, 738633, 1461507, 3410183, 10230549, 59291333, 177873999, 415039331, 1007952661, 1245117993, 3023857983, 7055668627, 21167005881]

約数ペア:

[(1, 21167005881), (3, 7055668627), (7, 3023857983), (17, 1245117993), (21, 1007952661), (51, 415039331), (119, 177873999), (357, 59291333), (2069, 10230549), (6207, 3410183), (14483, 1461507), (28657, 738633), (35173, 601797), (43449, 487169), (85971, 246211), (105519, 200599)]