21037564807

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{6091}}^1\times {\mathrm{25969}}^1$

素因数の和:32086

約数の個数: 16

約数和(自身を含む): 25313478400

約数和(自身を除く): 4275913593

約数列:

[1, 7, 19, 133, 6091, 25969, 42637, 115729, 181783, 493411, 810103, 3453877, 158177179, 1107240253, 3005366401, 21037564807]

約数ペア:

[(1, 21037564807), (7, 3005366401), (19, 1107240253), (133, 158177179), (6091, 3453877), (25969, 810103), (42637, 493411), (115729, 181783)]