21097510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17729}}^1$

素因数の和:17760

約数の個数: 32

約数和(自身を含む): 45956160

約数和(自身を除く): 24858650

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17729, 35458, 88645, 124103, 177290, 248206, 301393, 602786, 620515, 1241030, 1506965, 2109751, 3013930, 4219502, 10548755, 21097510]

約数ペア:

[(1, 21097510), (2, 10548755), (5, 4219502), (7, 3013930), (10, 2109751), (14, 1506965), (17, 1241030), (34, 620515), (35, 602786), (70, 301393), (85, 248206), (119, 177290), (170, 124103), (238, 88645), (595, 35458), (1190, 17729)]