21241212

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 29707140

約数列:

[1, 2, 3, 4, 6, 12, 71, 107, 142, 213, 214, 233, 284, 321, 426, 428, 466, 642, 699, 852, 932, 1284, 1398, 2796, 7597, 15194, 16543, 22791, 24931, 30388, 33086, 45582, 49629, 49862, 66172, 74793, 91164, 99258, 99724, 149586, 198516, 299172, 1770101, 3540202, 5310303, 7080404, 10620606, 21241212]

約数ペア:

[(1, 21241212), (2, 10620606), (3, 7080404), (4, 5310303), (6, 3540202), (12, 1770101), (71, 299172), (107, 198516), (142, 149586), (213, 99724), (214, 99258), (233, 91164), (284, 74793), (321, 66172), (426, 49862), (428, 49629), (466, 45582), (642, 33086), (699, 30388), (852, 24931), (932, 22791), (1284, 16543), (1398, 15194), (2796, 7597)]