21704016

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3253}}^1$

素因数の和:3403

約数の個数: 40

約数和(自身を含む): 56489440

約数和(自身を除く): 34785424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3253, 3336, 6506, 6672, 9759, 13012, 19518, 26024, 39036, 52048, 78072, 156144, 452167, 904334, 1356501, 1808668, 2713002, 3617336, 5426004, 7234672, 10852008, 21704016]

約数ペア:

[(1, 21704016), (2, 10852008), (3, 7234672), (4, 5426004), (6, 3617336), (8, 2713002), (12, 1808668), (16, 1356501), (24, 904334), (48, 452167), (139, 156144), (278, 78072), (417, 52048), (556, 39036), (834, 26024), (1112, 19518), (1668, 13012), (2224, 9759), (3253, 6672), (3336, 6506)]