21492842

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2351}}^1$

素因数の和:3013

約数の個数: 16

約数和(自身を含む): 36916992

約数和(自身を除く): 15424150

約数列:

[1, 2, 7, 14, 653, 1306, 2351, 4571, 4702, 9142, 16457, 32914, 1535203, 3070406, 10746421, 21492842]

約数ペア:

[(1, 21492842), (2, 10746421), (7, 3070406), (14, 1535203), (653, 32914), (1306, 16457), (2351, 9142), (4571, 4702)]