21389982

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 44181504

約数和(自身を除く): 22791522

約数列:

[1, 2, 3, 6, 47, 94, 101, 141, 202, 282, 303, 606, 751, 1502, 2253, 4506, 4747, 9494, 14241, 28482, 35297, 70594, 75851, 105891, 151702, 211782, 227553, 455106, 3564997, 7129994, 10694991, 21389982]

約数ペア:

[(1, 21389982), (2, 10694991), (3, 7129994), (6, 3564997), (47, 455106), (94, 227553), (101, 211782), (141, 151702), (202, 105891), (282, 75851), (303, 70594), (606, 35297), (751, 28482), (1502, 14241), (2253, 9494), (4506, 4747)]