21762349

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 25675776

約数和(自身を除く): 3913427

約数列:

[1, 7, 41, 191, 287, 397, 1337, 2779, 7831, 16277, 54817, 75827, 113939, 530789, 3108907, 21762349]

約数ペア:

[(1, 21762349), (7, 3108907), (41, 530789), (191, 113939), (287, 75827), (397, 54817), (1337, 16277), (2779, 7831)]