21816072

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5717}}^1$

素因数の和:5782

約数の個数: 48

約数和(自身を含む): 60210540

約数和(自身を除く): 38394468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5717, 11434, 17151, 22868, 34302, 45736, 51453, 68604, 102906, 137208, 205812, 303001, 411624, 606002, 909003, 1212004, 1818006, 2424008, 2727009, 3636012, 5454018, 7272024, 10908036, 21816072]

約数ペア:

[(1, 21816072), (2, 10908036), (3, 7272024), (4, 5454018), (6, 3636012), (8, 2727009), (9, 2424008), (12, 1818006), (18, 1212004), (24, 909003), (36, 606002), (53, 411624), (72, 303001), (106, 205812), (159, 137208), (212, 102906), (318, 68604), (424, 51453), (477, 45736), (636, 34302), (954, 22868), (1272, 17151), (1908, 11434), (3816, 5717)]