21008442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 52335360

約数和(自身を除く): 31326918

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 109, 182, 218, 273, 327, 353, 546, 654, 706, 763, 1059, 1417, 1526, 2118, 2289, 2471, 2834, 4251, 4578, 4589, 4942, 7413, 8502, 9178, 9919, 13767, 14826, 19838, 27534, 29757, 32123, 38477, 59514, 64246, 76954, 96369, 115431, 192738, 230862, 269339, 500201, 538678, 808017, 1000402, 1500603, 1616034, 3001206, 3501407, 7002814, 10504221, 21008442]

約数ペア:

[(1, 21008442), (2, 10504221), (3, 7002814), (6, 3501407), (7, 3001206), (13, 1616034), (14, 1500603), (21, 1000402), (26, 808017), (39, 538678), (42, 500201), (78, 269339), (91, 230862), (109, 192738), (182, 115431), (218, 96369), (273, 76954), (327, 64246), (353, 59514), (546, 38477), (654, 32123), (706, 29757), (763, 27534), (1059, 19838), (1417, 14826), (1526, 13767), (2118, 9919), (2289, 9178), (2471, 8502), (2834, 7413), (4251, 4942), (4578, 4589)]