21383376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2808

約数の個数: 80

約数和(自身を含む): 65900544

約数和(自身を除く): 44517168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2767, 3864, 5534, 7728, 8301, 11068, 16602, 19369, 22136, 33204, 38738, 44272, 58107, 63641, 66408, 77476, 116214, 127282, 132816, 154952, 190923, 232428, 254564, 309904, 381846, 445487, 464856, 509128, 763692, 890974, 929712, 1018256, 1336461, 1527384, 1781948, 2672922, 3054768, 3563896, 5345844, 7127792, 10691688, 21383376]

約数ペア:

[(1, 21383376), (2, 10691688), (3, 7127792), (4, 5345844), (6, 3563896), (7, 3054768), (8, 2672922), (12, 1781948), (14, 1527384), (16, 1336461), (21, 1018256), (23, 929712), (24, 890974), (28, 763692), (42, 509128), (46, 464856), (48, 445487), (56, 381846), (69, 309904), (84, 254564), (92, 232428), (112, 190923), (138, 154952), (161, 132816), (168, 127282), (184, 116214), (276, 77476), (322, 66408), (336, 63641), (368, 58107), (483, 44272), (552, 38738), (644, 33204), (966, 22136), (1104, 19369), (1288, 16602), (1932, 11068), (2576, 8301), (2767, 7728), (3864, 5534)]