21568752569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1\times {\mathrm{2963}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 26769899520

約数和(自身を除く): 5201146951

約数列:

[1, 7, 13, 91, 167, 479, 1169, 2171, 2963, 3353, 6227, 15197, 20741, 38519, 43589, 79993, 269633, 494821, 559951, 1039909, 1419277, 3463747, 6432673, 7279363, 9934939, 18450601, 45028711, 129154207, 237019259, 1659134813, 3081250367, 21568752569]

約数ペア:

[(1, 21568752569), (7, 3081250367), (13, 1659134813), (91, 237019259), (167, 129154207), (479, 45028711), (1169, 18450601), (2171, 9934939), (2963, 7279363), (3353, 6432673), (6227, 3463747), (15197, 1419277), (20741, 1039909), (38519, 559951), (43589, 494821), (79993, 269633)]