21386898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91397}}^1$

素因数の和:91418

約数の個数: 24

約数和(自身を含む): 49903308

約数和(自身を除く): 28516410

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91397, 182794, 274191, 548382, 822573, 1188161, 1645146, 2376322, 3564483, 7128966, 10693449, 21386898]

約数ペア:

[(1, 21386898), (2, 10693449), (3, 7128966), (6, 3564483), (9, 2376322), (13, 1645146), (18, 1188161), (26, 822573), (39, 548382), (78, 274191), (117, 182794), (234, 91397)]