21448623

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 33907248

約数和(自身を除く): 12458625

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 2753, 7791, 8259, 19271, 57813, 134897, 145909, 404691, 437727, 1021363, 3064089, 7149541, 21448623]

約数ペア:

[(1, 21448623), (3, 7149541), (7, 3064089), (21, 1021363), (49, 437727), (53, 404691), (147, 145909), (159, 134897), (371, 57813), (1113, 19271), (2597, 8259), (2753, 7791)]