21592683

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 39216000

約数和(自身を除く): 17623317

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 859, 931, 1197, 1323, 2577, 2793, 3591, 6013, 7731, 8379, 16321, 18039, 23193, 25137, 42091, 48963, 54117, 114247, 126273, 146889, 162351, 342741, 378819, 440667, 799729, 1028223, 1136457, 2399187, 3084669, 7197561, 21592683]

約数ペア:

[(1, 21592683), (3, 7197561), (7, 3084669), (9, 2399187), (19, 1136457), (21, 1028223), (27, 799729), (49, 440667), (57, 378819), (63, 342741), (133, 162351), (147, 146889), (171, 126273), (189, 114247), (399, 54117), (441, 48963), (513, 42091), (859, 25137), (931, 23193), (1197, 18039), (1323, 16321), (2577, 8379), (2793, 7731), (3591, 6013)]