21167357972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{7877}}^1$

素因数の和:8256

約数の個数: 48

約数和(自身を含む): 38759255808

約数和(自身を除く): 17591897836

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 271, 542, 1084, 2479, 4958, 7877, 9916, 10027, 15754, 18157, 20054, 31508, 36314, 40108, 72628, 291449, 527759, 582898, 671809, 1055518, 1165796, 1343618, 2111036, 2134667, 2687236, 4269334, 8538668, 19527083, 39054166, 78108332, 78982679, 143022689, 157965358, 286045378, 315930716, 572090756, 5291839493, 10583678986, 21167357972]

約数ペア:

[(1, 21167357972), (2, 10583678986), (4, 5291839493), (37, 572090756), (67, 315930716), (74, 286045378), (134, 157965358), (148, 143022689), (268, 78982679), (271, 78108332), (542, 39054166), (1084, 19527083), (2479, 8538668), (4958, 4269334), (7877, 2687236), (9916, 2134667), (10027, 2111036), (15754, 1343618), (18157, 1165796), (20054, 1055518), (31508, 671809), (36314, 582898), (40108, 527759), (72628, 291449)]