21492575990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3900649}}^1$

素因数の和:3900704

約数の個数: 32

約数和(自身を含む): 42127020000

約数和(自身を除く): 20634444010

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 3900649, 7801298, 19503245, 39006490, 74112331, 113118821, 148224662, 226237642, 370561655, 565594105, 741123310, 1131188210, 2149257599, 4298515198, 10746287995, 21492575990]

約数ペア:

[(1, 21492575990), (2, 10746287995), (5, 4298515198), (10, 2149257599), (19, 1131188210), (29, 741123310), (38, 565594105), (58, 370561655), (95, 226237642), (145, 148224662), (190, 113118821), (290, 74112331), (551, 39006490), (1102, 19503245), (2755, 7801298), (5510, 3900649)]