21302192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:993

約数の個数: 40

約数和(自身を含む): 44044800

約数和(自身を除く): 22742608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 304, 316, 632, 887, 1264, 1501, 1774, 3002, 3548, 6004, 7096, 12008, 14192, 16853, 24016, 33706, 67412, 70073, 134824, 140146, 269648, 280292, 560584, 1121168, 1331387, 2662774, 5325548, 10651096, 21302192]

約数ペア:

[(1, 21302192), (2, 10651096), (4, 5325548), (8, 2662774), (16, 1331387), (19, 1121168), (38, 560584), (76, 280292), (79, 269648), (152, 140146), (158, 134824), (304, 70073), (316, 67412), (632, 33706), (887, 24016), (1264, 16853), (1501, 14192), (1774, 12008), (3002, 7096), (3548, 6004)]