21603838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14338562

約数列:

[1, 2, 17, 31, 34, 62, 103, 199, 206, 398, 527, 1054, 1751, 3193, 3383, 3502, 6169, 6386, 6766, 12338, 20497, 40994, 54281, 104873, 108562, 209746, 348449, 635407, 696898, 1270814, 10801919, 21603838]

約数ペア:

[(1, 21603838), (2, 10801919), (17, 1270814), (31, 696898), (34, 635407), (62, 348449), (103, 209746), (199, 108562), (206, 104873), (398, 54281), (527, 40994), (1054, 20497), (1751, 12338), (3193, 6766), (3383, 6386), (3502, 6169)]