21960200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5779}}^1$

素因数の和:5814

約数の個数: 48

約数和(自身を含む): 53754000

約数和(自身を除く): 31793800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5779, 11558, 23116, 28895, 46232, 57790, 109801, 115580, 144475, 219602, 231160, 288950, 439204, 549005, 577900, 878408, 1098010, 1155800, 2196020, 2745025, 4392040, 5490050, 10980100, 21960200]

約数ペア:

[(1, 21960200), (2, 10980100), (4, 5490050), (5, 4392040), (8, 2745025), (10, 2196020), (19, 1155800), (20, 1098010), (25, 878408), (38, 577900), (40, 549005), (50, 439204), (76, 288950), (95, 231160), (100, 219602), (152, 144475), (190, 115580), (200, 109801), (380, 57790), (475, 46232), (760, 28895), (950, 23116), (1900, 11558), (3800, 5779)]