21397752

素因数分解:

$2^3\times 3^2\times {\mathrm{297191}}^1$

素因数の和:297203

約数の個数: 24

約数和(自身を含む): 57952440

約数和(自身を除く): 36554688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297191, 594382, 891573, 1188764, 1783146, 2377528, 2674719, 3566292, 5349438, 7132584, 10698876, 21397752]

約数ペア:

[(1, 21397752), (2, 10698876), (3, 7132584), (4, 5349438), (6, 3566292), (8, 2674719), (9, 2377528), (12, 1783146), (18, 1188764), (24, 891573), (36, 594382), (72, 297191)]