21425992

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7219}}^1$

素因数の和:7285

約数の個数: 32

約数和(自身を含む): 46785600

約数和(自身を除く): 25359608

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7219, 14438, 28876, 50533, 57752, 101066, 202132, 382607, 404264, 765214, 1530428, 2678249, 3060856, 5356498, 10712996, 21425992]

約数ペア:

[(1, 21425992), (2, 10712996), (4, 5356498), (7, 3060856), (8, 2678249), (14, 1530428), (28, 765214), (53, 404264), (56, 382607), (106, 202132), (212, 101066), (371, 57752), (424, 50533), (742, 28876), (1484, 14438), (2968, 7219)]