21394854

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10159}}^1$

素因数の和:10186

約数の個数: 40

約数和(自身を含む): 51633120

約数和(自身を除く): 30238266

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10159, 20318, 30477, 60954, 91431, 132067, 182862, 264134, 274293, 396201, 548586, 792402, 822879, 1188603, 1645758, 2377206, 3565809, 7131618, 10697427, 21394854]

約数ペア:

[(1, 21394854), (2, 10697427), (3, 7131618), (6, 3565809), (9, 2377206), (13, 1645758), (18, 1188603), (26, 822879), (27, 792402), (39, 548586), (54, 396201), (78, 274293), (81, 264134), (117, 182862), (162, 132067), (234, 91431), (351, 60954), (702, 30477), (1053, 20318), (2106, 10159)]