21363258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1409}}^1$

素因数の和:1459

約数の個数: 48

約数和(自身を含む): 51572160

約数和(自身を除く): 30208902

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1409, 2166, 2527, 2818, 4227, 5054, 7581, 8454, 9863, 15162, 19726, 26771, 29589, 53542, 59178, 80313, 160626, 187397, 374794, 508649, 562191, 1017298, 1124382, 1525947, 3051894, 3560543, 7121086, 10681629, 21363258]

約数ペア:

[(1, 21363258), (2, 10681629), (3, 7121086), (6, 3560543), (7, 3051894), (14, 1525947), (19, 1124382), (21, 1017298), (38, 562191), (42, 508649), (57, 374794), (114, 187397), (133, 160626), (266, 80313), (361, 59178), (399, 53542), (722, 29589), (798, 26771), (1083, 19726), (1409, 15162), (2166, 9863), (2527, 8454), (2818, 7581), (4227, 5054)]