21009094

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4217}}^1$

素因数の和:4319

約数の個数: 16

約数和(自身を含む): 32799168

約数和(自身を除く): 11790074

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4217, 4982, 8434, 198199, 223501, 396398, 447002, 10504547, 21009094]

約数ペア:

[(1, 21009094), (2, 10504547), (47, 447002), (53, 396398), (94, 223501), (106, 198199), (2491, 8434), (4217, 4982)]