21342621245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{2389}}^1$

素因数の和:2610

約数の個数: 64

約数和(自身を含む): 30065817600

約数和(自身を除く): 8723196355

約数列:

[1, 5, 11, 19, 55, 83, 95, 103, 209, 415, 515, 913, 1045, 1133, 1577, 1957, 2389, 4565, 5665, 7885, 8549, 9785, 11945, 17347, 21527, 26279, 42745, 45391, 86735, 94039, 107635, 131395, 162431, 198287, 226955, 246067, 470195, 499301, 812155, 991435, 1230335, 1786741, 2181157, 2496505, 2706737, 3767453, 4675273, 8933705, 10905785, 13533685, 18837265, 20423561, 23376365, 41441983, 51428003, 102117805, 207209915, 224659171, 257140015, 388047659, 1123295855, 1940238295, 4268524249, 21342621245]

約数ペア:

[(1, 21342621245), (5, 4268524249), (11, 1940238295), (19, 1123295855), (55, 388047659), (83, 257140015), (95, 224659171), (103, 207209915), (209, 102117805), (415, 51428003), (515, 41441983), (913, 23376365), (1045, 20423561), (1133, 18837265), (1577, 13533685), (1957, 10905785), (2389, 8933705), (4565, 4675273), (5665, 3767453), (7885, 2706737), (8549, 2496505), (9785, 2181157), (11945, 1786741), (17347, 1230335), (21527, 991435), (26279, 812155), (42745, 499301), (45391, 470195), (86735, 246067), (94039, 226955), (107635, 198287), (131395, 162431)]