21985318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{34033}}^1$

素因数の和:34071

約数の個数: 16

約数和(自身を含む): 36756720

約数和(自身を除く): 14771402

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 34033, 68066, 578561, 646627, 1157122, 1293254, 10992659, 21985318]

約数ペア:

[(1, 21985318), (2, 10992659), (17, 1293254), (19, 1157122), (34, 646627), (38, 578561), (323, 68066), (646, 34033)]