21000950382

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{10007}}^1$

素因数の和:10521

約数の個数: 64

約数和(自身を含む): 45396288000

約数和(自身を除く): 24395337618

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 114, 123, 246, 449, 779, 898, 1347, 1558, 2337, 2694, 4674, 8531, 10007, 17062, 18409, 20014, 25593, 30021, 36818, 51186, 55227, 60042, 110454, 190133, 349771, 380266, 410287, 570399, 699542, 820574, 1049313, 1140798, 1230861, 2098626, 2461722, 4493143, 7795453, 8986286, 13479429, 15590906, 23386359, 26958858, 46772718, 85369717, 170739434, 184218863, 256109151, 368437726, 512218302, 552656589, 1105313178, 3500158397, 7000316794, 10500475191, 21000950382]

約数ペア:

[(1, 21000950382), (2, 10500475191), (3, 7000316794), (6, 3500158397), (19, 1105313178), (38, 552656589), (41, 512218302), (57, 368437726), (82, 256109151), (114, 184218863), (123, 170739434), (246, 85369717), (449, 46772718), (779, 26958858), (898, 23386359), (1347, 15590906), (1558, 13479429), (2337, 8986286), (2694, 7795453), (4674, 4493143), (8531, 2461722), (10007, 2098626), (17062, 1230861), (18409, 1140798), (20014, 1049313), (25593, 820574), (30021, 699542), (36818, 570399), (51186, 410287), (55227, 380266), (60042, 349771), (110454, 190133)]