21450946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 15376190

約数列:

[1, 2, 11, 22, 31, 62, 71, 142, 341, 443, 682, 781, 886, 1562, 2201, 4402, 4873, 9746, 13733, 24211, 27466, 31453, 48422, 62906, 151063, 302126, 345983, 691966, 975043, 1950086, 10725473, 21450946]

約数ペア:

[(1, 21450946), (2, 10725473), (11, 1950086), (22, 975043), (31, 691966), (62, 345983), (71, 302126), (142, 151063), (341, 62906), (443, 48422), (682, 31453), (781, 27466), (886, 24211), (1562, 13733), (2201, 9746), (4402, 4873)]