21000404894

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{883}}^1\times {\mathrm{28793}}^1$

素因数の和:29744

約数の個数: 32

約数和(自身を含む): 36653610240

約数和(自身を除く): 15653205346

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 883, 1766, 6181, 12362, 28793, 52097, 57586, 104194, 201551, 364679, 403102, 729358, 1698787, 3397574, 11891509, 23783018, 25424219, 50848438, 177969533, 355939066, 1500028921, 3000057842, 10500202447, 21000404894]

約数ペア:

[(1, 21000404894), (2, 10500202447), (7, 3000057842), (14, 1500028921), (59, 355939066), (118, 177969533), (413, 50848438), (826, 25424219), (883, 23783018), (1766, 11891509), (6181, 3397574), (12362, 1698787), (28793, 729358), (52097, 403102), (57586, 364679), (104194, 201551)]