21017192

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19753}}^1$

素因数の和:19785

約数の個数: 32

約数和(自身を含む): 47409600

約数和(自身を除く): 26392408

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19753, 39506, 79012, 138271, 158024, 276542, 375307, 553084, 750614, 1106168, 1501228, 2627149, 3002456, 5254298, 10508596, 21017192]

約数ペア:

[(1, 21017192), (2, 10508596), (4, 5254298), (7, 3002456), (8, 2627149), (14, 1501228), (19, 1106168), (28, 750614), (38, 553084), (56, 375307), (76, 276542), (133, 158024), (152, 138271), (266, 79012), (532, 39506), (1064, 19753)]