21358304

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 46884096

約数和(自身を除く): 25525792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1291, 1504, 2068, 2582, 4136, 5164, 8272, 10328, 14201, 16544, 20656, 28402, 41312, 56804, 60677, 113608, 121354, 227216, 242708, 454432, 485416, 667447, 970832, 1334894, 1941664, 2669788, 5339576, 10679152, 21358304]

約数ペア:

[(1, 21358304), (2, 10679152), (4, 5339576), (8, 2669788), (11, 1941664), (16, 1334894), (22, 970832), (32, 667447), (44, 485416), (47, 454432), (88, 242708), (94, 227216), (176, 121354), (188, 113608), (352, 60677), (376, 56804), (517, 41312), (752, 28402), (1034, 20656), (1291, 16544), (1504, 14201), (2068, 10328), (2582, 8272), (4136, 5164)]