21688954

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 39110400

約数和(自身を除く): 17421446

約数列:

[1, 2, 7, 14, 23, 46, 161, 193, 322, 349, 386, 698, 1351, 2443, 2702, 4439, 4886, 8027, 8878, 16054, 31073, 56189, 62146, 67357, 112378, 134714, 471499, 942998, 1549211, 3098422, 10844477, 21688954]

約数ペア:

[(1, 21688954), (2, 10844477), (7, 3098422), (14, 1549211), (23, 942998), (46, 471499), (161, 134714), (193, 112378), (322, 67357), (349, 62146), (386, 56189), (698, 31073), (1351, 16054), (2443, 8878), (2702, 8027), (4439, 4886)]