21319298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 44900352

約数和(自身を除く): 23581054

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 463, 506, 598, 926, 1001, 1771, 2002, 2093, 3241, 3289, 3542, 4186, 5093, 6019, 6482, 6578, 10186, 10649, 12038, 21298, 23023, 35651, 42133, 46046, 66209, 71302, 74543, 84266, 117139, 132418, 138437, 149086, 234278, 276874, 463463, 819973, 926926, 969059, 1522807, 1639946, 1938118, 3045614, 10659649, 21319298]

約数ペア:

[(1, 21319298), (2, 10659649), (7, 3045614), (11, 1938118), (13, 1639946), (14, 1522807), (22, 969059), (23, 926926), (26, 819973), (46, 463463), (77, 276874), (91, 234278), (143, 149086), (154, 138437), (161, 132418), (182, 117139), (253, 84266), (286, 74543), (299, 71302), (322, 66209), (463, 46046), (506, 42133), (598, 35651), (926, 23023), (1001, 21298), (1771, 12038), (2002, 10649), (2093, 10186), (3241, 6578), (3289, 6482), (3542, 6019), (4186, 5093)]