21072534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4603}}^1$

素因数の和:4724

約数の個数: 32

約数和(自身を含む): 48618240

約数和(自身を除く): 27545706

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 4603, 9206, 13809, 27618, 32221, 64442, 96663, 193326, 501727, 1003454, 1505181, 3010362, 3512089, 7024178, 10536267, 21072534]

約数ペア:

[(1, 21072534), (2, 10536267), (3, 7024178), (6, 3512089), (7, 3010362), (14, 1505181), (21, 1003454), (42, 501727), (109, 193326), (218, 96663), (327, 64442), (654, 32221), (763, 27618), (1526, 13809), (2289, 9206), (4578, 4603)]