21679868

素因数分解:

$2^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1031}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 43459584

約数和(自身を除く): 21779716

約数列:

[1, 2, 4, 7, 14, 28, 751, 1031, 1502, 2062, 3004, 4124, 5257, 7217, 10514, 14434, 21028, 28868, 774281, 1548562, 3097124, 5419967, 10839934, 21679868]

約数ペア:

[(1, 21679868), (2, 10839934), (4, 5419967), (7, 3097124), (14, 1548562), (28, 774281), (751, 28868), (1031, 21028), (1502, 14434), (2062, 10514), (3004, 7217), (4124, 5257)]