21410564

素因数分解:

$2^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1171}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 42923328

約数和(自身を除く): 21512764

約数列:

[1, 2, 4, 7, 14, 28, 653, 1171, 1306, 2342, 2612, 4571, 4684, 8197, 9142, 16394, 18284, 32788, 764663, 1529326, 3058652, 5352641, 10705282, 21410564]

約数ペア:

[(1, 21410564), (2, 10705282), (4, 5352641), (7, 3058652), (14, 1529326), (28, 764663), (653, 32788), (1171, 18284), (1306, 16394), (2342, 9142), (2612, 8197), (4571, 4684)]