2021182360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{63241}}^1$

素因数の和:63316

約数の個数: 64

約数和(自身を含む): 4917697920

約数和(自身を除く): 2896515560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7990, 15980, 31960, 63241, 126482, 252964, 316205, 505928, 632410, 1075097, 1264820, 2150194, 2529640, 2972327, 4300388, 5375485, 5944654, 8600776, 10750970, 11889308, 14861635, 21501940, 23778616, 29723270, 43003880, 50529559, 59446540, 101059118, 118893080, 202118236, 252647795, 404236472, 505295590, 1010591180, 2021182360]

約数ペア:

[(1, 2021182360), (2, 1010591180), (4, 505295590), (5, 404236472), (8, 252647795), (10, 202118236), (17, 118893080), (20, 101059118), (34, 59446540), (40, 50529559), (47, 43003880), (68, 29723270), (85, 23778616), (94, 21501940), (136, 14861635), (170, 11889308), (188, 10750970), (235, 8600776), (340, 5944654), (376, 5375485), (470, 4300388), (680, 2972327), (799, 2529640), (940, 2150194), (1598, 1264820), (1880, 1075097), (3196, 632410), (3995, 505928), (6392, 316205), (7990, 252964), (15980, 126482), (31960, 63241)]