21270036180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1\times {\mathrm{4001}}^1$

素因数の和:4617

約数の個数: 96

約数和(自身を含む): 59977749888

約数和(自身を除く): 38707713708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 353, 502, 706, 753, 1004, 1059, 1255, 1412, 1506, 1765, 2118, 2510, 3012, 3530, 3765, 4001, 4236, 5020, 5295, 7060, 7530, 8002, 10590, 12003, 15060, 16004, 20005, 21180, 24006, 40010, 48012, 60015, 80020, 88603, 120030, 177206, 240060, 265809, 354412, 443015, 531618, 886030, 1004251, 1063236, 1329045, 1412353, 1772060, 2008502, 2658090, 2824706, 3012753, 4017004, 4237059, 5021255, 5316180, 5649412, 6025506, 7061765, 8474118, 10042510, 12051012, 14123530, 15063765, 16948236, 20085020, 21185295, 28247060, 30127530, 42370590, 60255060, 84741180, 354500603, 709001206, 1063501809, 1418002412, 1772503015, 2127003618, 3545006030, 4254007236, 5317509045, 7090012060, 10635018090, 21270036180]

約数ペア:

[(1, 21270036180), (2, 10635018090), (3, 7090012060), (4, 5317509045), (5, 4254007236), (6, 3545006030), (10, 2127003618), (12, 1772503015), (15, 1418002412), (20, 1063501809), (30, 709001206), (60, 354500603), (251, 84741180), (353, 60255060), (502, 42370590), (706, 30127530), (753, 28247060), (1004, 21185295), (1059, 20085020), (1255, 16948236), (1412, 15063765), (1506, 14123530), (1765, 12051012), (2118, 10042510), (2510, 8474118), (3012, 7061765), (3530, 6025506), (3765, 5649412), (4001, 5316180), (4236, 5021255), (5020, 4237059), (5295, 4017004), (7060, 3012753), (7530, 2824706), (8002, 2658090), (10590, 2008502), (12003, 1772060), (15060, 1412353), (16004, 1329045), (20005, 1063236), (21180, 1004251), (24006, 886030), (40010, 531618), (48012, 443015), (60015, 354412), (80020, 265809), (88603, 240060), (120030, 177206)]