21031635249

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1\times {\mathrm{1571}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 32436019200

約数和(自身を除く): 11404383951

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 991, 1501, 1571, 2973, 4503, 4713, 8919, 13509, 14139, 18829, 29849, 56487, 78289, 89547, 124109, 169461, 234867, 268641, 372327, 704601, 1116981, 1487491, 1556861, 2358071, 4462473, 4670583, 7074213, 13387419, 14011749, 21222639, 29580359, 88741077, 122992019, 266223231, 368976057, 1106928171, 2336848361, 7010545083, 21031635249]

約数ペア:

[(1, 21031635249), (3, 7010545083), (9, 2336848361), (19, 1106928171), (57, 368976057), (79, 266223231), (171, 122992019), (237, 88741077), (711, 29580359), (991, 21222639), (1501, 14011749), (1571, 13387419), (2973, 7074213), (4503, 4670583), (4713, 4462473), (8919, 2358071), (13509, 1556861), (14139, 1487491), (18829, 1116981), (29849, 704601), (56487, 372327), (78289, 268641), (89547, 234867), (124109, 169461)]