21663152

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1665

約数の個数: 40

約数和(自身を含む): 48377856

約数和(自身を除く): 26714704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1523, 1778, 2032, 3046, 3556, 6092, 7112, 10661, 12184, 14224, 21322, 24368, 42644, 85288, 170576, 193421, 386842, 773684, 1353947, 1547368, 2707894, 3094736, 5415788, 10831576, 21663152]

約数ペア:

[(1, 21663152), (2, 10831576), (4, 5415788), (7, 3094736), (8, 2707894), (14, 1547368), (16, 1353947), (28, 773684), (56, 386842), (112, 193421), (127, 170576), (254, 85288), (508, 42644), (889, 24368), (1016, 21322), (1523, 14224), (1778, 12184), (2032, 10661), (3046, 7112), (3556, 6092)]