21417564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254971}}^1$

素因数の和:254985

約数の個数: 24

約数和(自身を含む): 57113728

約数和(自身を除く): 35696164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254971, 509942, 764913, 1019884, 1529826, 1784797, 3059652, 3569594, 5354391, 7139188, 10708782, 21417564]

約数ペア:

[(1, 21417564), (2, 10708782), (3, 7139188), (4, 5354391), (6, 3569594), (7, 3059652), (12, 1784797), (14, 1529826), (21, 1019884), (28, 764913), (42, 509942), (84, 254971)]