21435986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 38054016

約数和(自身を除く): 16618030

約数列:

[1, 2, 11, 13, 22, 26, 143, 241, 286, 311, 482, 622, 2651, 3133, 3421, 4043, 5302, 6266, 6842, 8086, 34463, 44473, 68926, 74951, 88946, 149902, 824461, 974363, 1648922, 1948726, 10717993, 21435986]

約数ペア:

[(1, 21435986), (2, 10717993), (11, 1948726), (13, 1648922), (22, 974363), (26, 824461), (143, 149902), (241, 88946), (286, 74951), (311, 68926), (482, 44473), (622, 34463), (2651, 8086), (3133, 6842), (3421, 6266), (4043, 5302)]