21095784

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12739}}^1$

素因数の和:12774

約数の個数: 48

約数和(自身を含む): 59623200

約数和(自身を除く): 38527416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12739, 25478, 38217, 50956, 76434, 101912, 114651, 152868, 229302, 292997, 305736, 458604, 585994, 878991, 917208, 1171988, 1757982, 2343976, 2636973, 3515964, 5273946, 7031928, 10547892, 21095784]

約数ペア:

[(1, 21095784), (2, 10547892), (3, 7031928), (4, 5273946), (6, 3515964), (8, 2636973), (9, 2343976), (12, 1757982), (18, 1171988), (23, 917208), (24, 878991), (36, 585994), (46, 458604), (69, 305736), (72, 292997), (92, 229302), (138, 152868), (184, 114651), (207, 101912), (276, 76434), (414, 50956), (552, 38217), (828, 25478), (1656, 12739)]