21578657569

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1\times {\mathrm{102547}}^1$

素因数の和:103884

約数の個数: 16

約数和(自身を含む): 25753494528

約数和(自身を除く): 4174836959

約数列:

[1, 7, 23, 161, 1307, 9149, 30061, 102547, 210427, 717829, 2358581, 16510067, 134028929, 938202503, 3082665367, 21578657569]

約数ペア:

[(1, 21578657569), (7, 3082665367), (23, 938202503), (161, 134028929), (1307, 16510067), (9149, 2358581), (30061, 717829), (102547, 210427)]