21853795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 27498240

約数和(自身を除く): 5644445

約数列:

[1, 5, 23, 115, 307, 619, 1535, 3095, 7061, 14237, 35305, 71185, 190033, 950165, 4370759, 21853795]

約数ペア:

[(1, 21853795), (5, 4370759), (23, 950165), (115, 190033), (307, 71185), (619, 35305), (1535, 14237), (3095, 7061)]