21572936

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5003}}^1$

素因数の和:5034

約数の個数: 48

約数和(自身を含む): 51341040

約数和(自身を除く): 29768104

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 5003, 10006, 20012, 35021, 40024, 55033, 70042, 110066, 140084, 220132, 245147, 280168, 385231, 440264, 490294, 770462, 980588, 1540924, 1961176, 2696617, 3081848, 5393234, 10786468, 21572936]

約数ペア:

[(1, 21572936), (2, 10786468), (4, 5393234), (7, 3081848), (8, 2696617), (11, 1961176), (14, 1540924), (22, 980588), (28, 770462), (44, 490294), (49, 440264), (56, 385231), (77, 280168), (88, 245147), (98, 220132), (154, 140084), (196, 110066), (308, 70042), (392, 55033), (539, 40024), (616, 35021), (1078, 20012), (2156, 10006), (4312, 5003)]