21002684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4231}}^1$

素因数の和:4325

約数の個数: 24

約数和(自身を含む): 39459168

約数和(自身を除く): 18456484

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4231, 4964, 8462, 16924, 71927, 143854, 287708, 308863, 617726, 1235452, 5250671, 10501342, 21002684]

約数ペア:

[(1, 21002684), (2, 10501342), (4, 5250671), (17, 1235452), (34, 617726), (68, 308863), (73, 287708), (146, 143854), (292, 71927), (1241, 16924), (2482, 8462), (4231, 4964)]