21678462

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30881}}^1$

素因数の和:30905

約数の個数: 32

約数和(自身を含む): 51881760

約数和(自身を除く): 30203298

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30881, 61762, 92643, 185286, 277929, 401453, 555858, 802906, 833787, 1204359, 1667574, 2408718, 3613077, 7226154, 10839231, 21678462]

約数ペア:

[(1, 21678462), (2, 10839231), (3, 7226154), (6, 3613077), (9, 2408718), (13, 1667574), (18, 1204359), (26, 833787), (27, 802906), (39, 555858), (54, 401453), (78, 277929), (117, 185286), (234, 92643), (351, 61762), (702, 30881)]