21297294

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28235826

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 79, 102, 153, 158, 237, 306, 474, 711, 881, 1343, 1422, 1762, 2643, 2686, 4029, 5286, 7929, 8058, 12087, 14977, 15858, 24174, 29954, 44931, 69599, 89862, 134793, 139198, 208797, 269586, 417594, 626391, 1183183, 1252782, 2366366, 3549549, 7099098, 10648647, 21297294]

約数ペア:

[(1, 21297294), (2, 10648647), (3, 7099098), (6, 3549549), (9, 2366366), (17, 1252782), (18, 1183183), (34, 626391), (51, 417594), (79, 269586), (102, 208797), (153, 139198), (158, 134793), (237, 89862), (306, 69599), (474, 44931), (711, 29954), (881, 24174), (1343, 15858), (1422, 14977), (1762, 12087), (2643, 8058), (2686, 7929), (4029, 5286)]