21530674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5407}}^1$

素因数の和:5601

約数の個数: 16

約数和(自身を含む): 35433216

約数和(自身を除く): 13902542

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5407, 10814, 59477, 118954, 978667, 1957334, 10765337, 21530674]

約数ペア:

[(1, 21530674), (2, 10765337), (11, 1957334), (22, 978667), (181, 118954), (362, 59477), (1991, 10814), (3982, 5407)]