21191878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24247}}^1$

素因数の和:24291

約数の個数: 16

約数和(自身を含む): 34917120

約数和(自身を除く): 13725242

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 24247, 48494, 460693, 557681, 921386, 1115362, 10595939, 21191878]

約数ペア:

[(1, 21191878), (2, 10595939), (19, 1115362), (23, 921386), (38, 557681), (46, 460693), (437, 48494), (874, 24247)]