21573590

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 18645610

約数列:

[1, 2, 5, 10, 37, 74, 185, 199, 293, 370, 398, 586, 995, 1465, 1990, 2930, 7363, 10841, 14726, 21682, 36815, 54205, 58307, 73630, 108410, 116614, 291535, 583070, 2157359, 4314718, 10786795, 21573590]

約数ペア:

[(1, 21573590), (2, 10786795), (5, 4314718), (10, 2157359), (37, 583070), (74, 291535), (185, 116614), (199, 108410), (293, 73630), (370, 58307), (398, 54205), (586, 36815), (995, 21682), (1465, 14726), (1990, 10841), (2930, 7363)]