21489302012

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 38313868320

約数和(自身を除く): 16824566308

約数列:

[1, 2, 4, 97, 194, 233, 388, 466, 467, 509, 932, 934, 1018, 1868, 2036, 22601, 45202, 45299, 49373, 90404, 90598, 98746, 108811, 118597, 181196, 197492, 217622, 237194, 237703, 435244, 474388, 475406, 950812, 10554667, 11503909, 21109334, 23007818, 23057191, 42218668, 46015636, 46114382, 55384799, 92228764, 110769598, 221539196, 5372325503, 10744651006, 21489302012]

約数ペア:

[(1, 21489302012), (2, 10744651006), (4, 5372325503), (97, 221539196), (194, 110769598), (233, 92228764), (388, 55384799), (466, 46114382), (467, 46015636), (509, 42218668), (932, 23057191), (934, 23007818), (1018, 21109334), (1868, 11503909), (2036, 10554667), (22601, 950812), (45202, 475406), (45299, 474388), (49373, 435244), (90404, 237703), (90598, 237194), (98746, 217622), (108811, 197492), (118597, 181196)]