21454554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 48237984

約数和(自身を除く): 26783430

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 73, 122, 146, 183, 219, 366, 438, 671, 803, 1342, 1606, 2013, 2409, 4026, 4453, 4818, 5329, 8906, 10658, 13359, 15987, 26718, 31974, 48983, 58619, 97966, 117238, 146949, 175857, 293898, 325069, 351714, 650138, 975207, 1950414, 3575759, 7151518, 10727277, 21454554]

約数ペア:

[(1, 21454554), (2, 10727277), (3, 7151518), (6, 3575759), (11, 1950414), (22, 975207), (33, 650138), (61, 351714), (66, 325069), (73, 293898), (122, 175857), (146, 146949), (183, 117238), (219, 97966), (366, 58619), (438, 48983), (671, 31974), (803, 26718), (1342, 15987), (1606, 13359), (2013, 10658), (2409, 8906), (4026, 5329), (4453, 4818)]