21291244898

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{181199}}^1$

素因数の和:181335

約数の個数: 48

約数和(自身を含む): 40900464000

約数和(自身を除く): 19609219102

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 109, 154, 218, 539, 763, 1078, 1199, 1526, 2398, 5341, 8393, 10682, 16786, 58751, 117502, 181199, 362398, 1268393, 1993189, 2536786, 3986378, 8878751, 13952323, 17757502, 19750691, 27904646, 39501382, 97666261, 138254837, 195332522, 217257601, 276509674, 434515202, 967783859, 1520803207, 1935567718, 3041606414, 10645622449, 21291244898]

約数ペア:

[(1, 21291244898), (2, 10645622449), (7, 3041606414), (11, 1935567718), (14, 1520803207), (22, 967783859), (49, 434515202), (77, 276509674), (98, 217257601), (109, 195332522), (154, 138254837), (218, 97666261), (539, 39501382), (763, 27904646), (1078, 19750691), (1199, 17757502), (1526, 13952323), (2398, 8878751), (5341, 3986378), (8393, 2536786), (10682, 1993189), (16786, 1268393), (58751, 362398), (117502, 181199)]