21087473

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 24403200

約数和(自身を除く): 3315727

約数列:

[1, 11, 19, 163, 209, 619, 1793, 3097, 6809, 11761, 34067, 100897, 129371, 1109867, 1917043, 21087473]

約数ペア:

[(1, 21087473), (11, 1917043), (19, 1109867), (163, 129371), (209, 100897), (619, 34067), (1793, 11761), (3097, 6809)]