21035888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{69197}}^1$

素因数の和:69224

約数の個数: 20

約数和(自身を含む): 42902760

約数和(自身を除く): 21866872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 69197, 138394, 276788, 553576, 1107152, 1314743, 2629486, 5258972, 10517944, 21035888]

約数ペア:

[(1, 21035888), (2, 10517944), (4, 5258972), (8, 2629486), (16, 1314743), (19, 1107152), (38, 553576), (76, 276788), (152, 138394), (304, 69197)]