21682680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1789}}^1$

素因数の和:1904

約数の個数: 64

約数和(自身を含む): 65728800

約数和(自身を除く): 44046120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1789, 2020, 2424, 3030, 3578, 4040, 5367, 6060, 7156, 8945, 10734, 12120, 14312, 17890, 21468, 26835, 35780, 42936, 53670, 71560, 107340, 180689, 214680, 361378, 542067, 722756, 903445, 1084134, 1445512, 1806890, 2168268, 2710335, 3613780, 4336536, 5420670, 7227560, 10841340, 21682680]

約数ペア:

[(1, 21682680), (2, 10841340), (3, 7227560), (4, 5420670), (5, 4336536), (6, 3613780), (8, 2710335), (10, 2168268), (12, 1806890), (15, 1445512), (20, 1084134), (24, 903445), (30, 722756), (40, 542067), (60, 361378), (101, 214680), (120, 180689), (202, 107340), (303, 71560), (404, 53670), (505, 42936), (606, 35780), (808, 26835), (1010, 21468), (1212, 17890), (1515, 14312), (1789, 12120), (2020, 10734), (2424, 8945), (3030, 7156), (3578, 6060), (4040, 5367)]