21491162

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8209}}^1$

素因数の和:8246

約数の個数: 32

約数和(自身を含む): 42560640

約数和(自身を除く): 21069478

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8209, 16418, 57463, 90299, 114926, 139553, 180598, 279106, 632093, 976871, 1264186, 1535083, 1953742, 3070166, 10745581, 21491162]

約数ペア:

[(1, 21491162), (2, 10745581), (7, 3070166), (11, 1953742), (14, 1535083), (17, 1264186), (22, 976871), (34, 632093), (77, 279106), (119, 180598), (154, 139553), (187, 114926), (238, 90299), (374, 57463), (1309, 16418), (2618, 8209)]