21836346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 52005888

約数和(自身を除く): 30169542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 107, 113, 129, 214, 226, 258, 301, 321, 339, 602, 642, 678, 749, 791, 903, 1498, 1582, 1806, 2247, 2373, 4494, 4601, 4746, 4859, 9202, 9718, 12091, 13803, 14577, 24182, 27606, 29154, 32207, 34013, 36273, 64414, 68026, 72546, 84637, 96621, 102039, 169274, 193242, 204078, 253911, 507822, 519913, 1039826, 1559739, 3119478, 3639391, 7278782, 10918173, 21836346]

約数ペア:

[(1, 21836346), (2, 10918173), (3, 7278782), (6, 3639391), (7, 3119478), (14, 1559739), (21, 1039826), (42, 519913), (43, 507822), (86, 253911), (107, 204078), (113, 193242), (129, 169274), (214, 102039), (226, 96621), (258, 84637), (301, 72546), (321, 68026), (339, 64414), (602, 36273), (642, 34013), (678, 32207), (749, 29154), (791, 27606), (903, 24182), (1498, 14577), (1582, 13803), (1806, 12091), (2247, 9718), (2373, 9202), (4494, 4859), (4601, 4746)]