21337442

素因数分解:

$2^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{911}}^1$

素因数の和:1166

約数の個数: 24

約数和(自身を含む): 37428480

約数和(自身を除く): 16091038

約数列:

[1, 2, 7, 14, 49, 98, 239, 478, 911, 1673, 1822, 3346, 6377, 11711, 12754, 23422, 44639, 89278, 217729, 435458, 1524103, 3048206, 10668721, 21337442]

約数ペア:

[(1, 21337442), (2, 10668721), (7, 3048206), (14, 1524103), (49, 435458), (98, 217729), (239, 89278), (478, 44639), (911, 23422), (1673, 12754), (1822, 11711), (3346, 6377)]