21795472

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:583

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 22398128

約数列:

[1, 2, 4, 8, 16, 29, 58, 107, 116, 214, 232, 428, 439, 464, 856, 878, 1712, 1756, 3103, 3512, 6206, 7024, 12412, 12731, 24824, 25462, 46973, 49648, 50924, 93946, 101848, 187892, 203696, 375784, 751568, 1362217, 2724434, 5448868, 10897736, 21795472]

約数ペア:

[(1, 21795472), (2, 10897736), (4, 5448868), (8, 2724434), (16, 1362217), (29, 751568), (58, 375784), (107, 203696), (116, 187892), (214, 101848), (232, 93946), (428, 50924), (439, 49648), (464, 46973), (856, 25462), (878, 24824), (1712, 12731), (1756, 12412), (3103, 7024), (3512, 6206)]