21741858

素因数分解:

$2^1\times 3^4\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 40

約数和(自身を含む): 49228608

約数和(自身を除く): 27486750

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 103, 162, 206, 309, 618, 927, 1303, 1854, 2606, 2781, 3909, 5562, 7818, 8343, 11727, 16686, 23454, 35181, 70362, 105543, 134209, 211086, 268418, 402627, 805254, 1207881, 2415762, 3623643, 7247286, 10870929, 21741858]

約数ペア:

[(1, 21741858), (2, 10870929), (3, 7247286), (6, 3623643), (9, 2415762), (18, 1207881), (27, 805254), (54, 402627), (81, 268418), (103, 211086), (162, 134209), (206, 105543), (309, 70362), (618, 35181), (927, 23454), (1303, 16686), (1854, 11727), (2606, 8343), (2781, 7818), (3909, 5562)]