21270147369

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{432241}}^1$

素因数の和:432640

約数の個数: 16

約数和(自身を含む): 29046662400

約数和(自身を除く): 7776515031

約数列:

[1, 3, 47, 141, 349, 1047, 16403, 49209, 432241, 1296723, 20315327, 60945981, 150852109, 452556327, 7090049123, 21270147369]

約数ペア:

[(1, 21270147369), (3, 7090049123), (47, 452556327), (141, 150852109), (349, 60945981), (1047, 20315327), (16403, 1296723), (49209, 432241)]