21190866

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153557}}^1$

素因数の和:153585

約数の個数: 16

約数和(自身を含む): 44224704

約数和(自身を除く): 23033838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153557, 307114, 460671, 921342, 3531811, 7063622, 10595433, 21190866]

約数ペア:

[(1, 21190866), (2, 10595433), (3, 7063622), (6, 3531811), (23, 921342), (46, 460671), (69, 307114), (138, 153557)]