21303226

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16851014

約数列:

[1, 2, 7, 14, 29, 58, 137, 203, 274, 383, 406, 766, 959, 1918, 2681, 3973, 5362, 7946, 11107, 22214, 27811, 52471, 55622, 77749, 104942, 155498, 367297, 734594, 1521659, 3043318, 10651613, 21303226]

約数ペア:

[(1, 21303226), (2, 10651613), (7, 3043318), (14, 1521659), (29, 734594), (58, 367297), (137, 155498), (203, 104942), (274, 77749), (383, 55622), (406, 52471), (766, 27811), (959, 22214), (1918, 11107), (2681, 7946), (3973, 5362)]