21227622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8779}}^1$

素因数の和:8828

約数の個数: 32

約数和(自身を含む): 47201280

約数和(自身を除く): 25973658

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8779, 17558, 26337, 52674, 114127, 228254, 272149, 342381, 544298, 684762, 816447, 1632894, 3537937, 7075874, 10613811, 21227622]

約数ペア:

[(1, 21227622), (2, 10613811), (3, 7075874), (6, 3537937), (13, 1632894), (26, 816447), (31, 684762), (39, 544298), (62, 342381), (78, 272149), (93, 228254), (186, 114127), (403, 52674), (806, 26337), (1209, 17558), (2418, 8779)]