21476697158

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{28201}}^1$

素因数の和:28645

約数の個数: 48

約数和(自身を含む): 39544844400

約数和(自身を除く): 18068147242

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 409, 818, 931, 1862, 2863, 5726, 7771, 15542, 20041, 28201, 40082, 54397, 56402, 108794, 197407, 380779, 394814, 535819, 761558, 1071638, 1381849, 2763698, 3750733, 7501466, 11534209, 23068418, 26255131, 52510262, 80739463, 161478926, 219149971, 438299942, 565176241, 1130352482, 1534049797, 3068099594, 10738348579, 21476697158]

約数ペア:

[(1, 21476697158), (2, 10738348579), (7, 3068099594), (14, 1534049797), (19, 1130352482), (38, 565176241), (49, 438299942), (98, 219149971), (133, 161478926), (266, 80739463), (409, 52510262), (818, 26255131), (931, 23068418), (1862, 11534209), (2863, 7501466), (5726, 3750733), (7771, 2763698), (15542, 1381849), (20041, 1071638), (28201, 761558), (40082, 535819), (54397, 394814), (56402, 380779), (108794, 197407)]