21637010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 19610350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 263, 433, 526, 866, 1315, 2165, 2630, 4330, 4997, 8227, 9994, 16454, 24985, 41135, 49970, 82270, 113879, 227758, 569395, 1138790, 2163701, 4327402, 10818505, 21637010]

約数ペア:

[(1, 21637010), (2, 10818505), (5, 4327402), (10, 2163701), (19, 1138790), (38, 569395), (95, 227758), (190, 113879), (263, 82270), (433, 49970), (526, 41135), (866, 24985), (1315, 16454), (2165, 9994), (2630, 8227), (4330, 4997)]