21231714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 52346880

約数和(自身を除く): 31115166

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 62, 69, 93, 138, 161, 186, 217, 322, 434, 483, 651, 709, 713, 966, 1302, 1418, 1426, 2127, 2139, 4254, 4278, 4963, 4991, 9926, 9982, 14889, 14973, 16307, 21979, 29778, 29946, 32614, 43958, 48921, 65937, 97842, 114149, 131874, 153853, 228298, 307706, 342447, 461559, 505517, 684894, 923118, 1011034, 1516551, 3033102, 3538619, 7077238, 10615857, 21231714]

約数ペア:

[(1, 21231714), (2, 10615857), (3, 7077238), (6, 3538619), (7, 3033102), (14, 1516551), (21, 1011034), (23, 923118), (31, 684894), (42, 505517), (46, 461559), (62, 342447), (69, 307706), (93, 228298), (138, 153853), (161, 131874), (186, 114149), (217, 97842), (322, 65937), (434, 48921), (483, 43958), (651, 32614), (709, 29946), (713, 29778), (966, 21979), (1302, 16307), (1418, 14973), (1426, 14889), (2127, 9982), (2139, 9926), (4254, 4991), (4278, 4963)]