21043022

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 44319744

約数和(自身を除く): 23276722

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 457, 506, 598, 914, 1001, 1771, 2002, 2093, 3199, 3289, 3542, 4186, 5027, 5941, 6398, 6578, 10054, 10511, 11882, 21022, 23023, 35189, 41587, 46046, 65351, 70378, 73577, 83174, 115621, 130702, 136643, 147154, 231242, 273286, 457457, 809347, 914914, 956501, 1503073, 1618694, 1913002, 3006146, 10521511, 21043022]

約数ペア:

[(1, 21043022), (2, 10521511), (7, 3006146), (11, 1913002), (13, 1618694), (14, 1503073), (22, 956501), (23, 914914), (26, 809347), (46, 457457), (77, 273286), (91, 231242), (143, 147154), (154, 136643), (161, 130702), (182, 115621), (253, 83174), (286, 73577), (299, 70378), (322, 65351), (457, 46046), (506, 41587), (598, 35189), (914, 23023), (1001, 21022), (1771, 11882), (2002, 10511), (2093, 10054), (3199, 6578), (3289, 6398), (3542, 5941), (4186, 5027)]