21205128674

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1\times {\mathrm{1103}}^1$

素因数の和:2014

約数の個数: 32

約数和(自身を含む): 32450181120

約数和(自身を除く): 11245052446

約数列:

[1, 2, 83, 166, 179, 358, 647, 1103, 1294, 2206, 14857, 29714, 53701, 91549, 107402, 115813, 183098, 197437, 231626, 394874, 713641, 1427282, 9612479, 16387271, 19224958, 32774542, 59232203, 118464406, 127741739, 255483478, 10602564337, 21205128674]

約数ペア:

[(1, 21205128674), (2, 10602564337), (83, 255483478), (166, 127741739), (179, 118464406), (358, 59232203), (647, 32774542), (1103, 19224958), (1294, 16387271), (2206, 9612479), (14857, 1427282), (29714, 713641), (53701, 394874), (91549, 231626), (107402, 197437), (115813, 183098)]