21916650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20873}}^1$

素因数の和:20895

約数の個数: 48

約数和(自身を含む): 62121024

約数和(自身を除く): 40204374

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20873, 41746, 62619, 104365, 125238, 146111, 208730, 292222, 313095, 438333, 521825, 626190, 730555, 876666, 1043650, 1461110, 1565475, 2191665, 3130950, 3652775, 4383330, 7305550, 10958325, 21916650]

約数ペア:

[(1, 21916650), (2, 10958325), (3, 7305550), (5, 4383330), (6, 3652775), (7, 3130950), (10, 2191665), (14, 1565475), (15, 1461110), (21, 1043650), (25, 876666), (30, 730555), (35, 626190), (42, 521825), (50, 438333), (70, 313095), (75, 292222), (105, 208730), (150, 146111), (175, 125238), (210, 104365), (350, 62619), (525, 41746), (1050, 20873)]