21301477439

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{2129}}^1$

素因数の和:2791

約数の個数: 32

約数和(自身を含む): 24645565440

約数和(自身を除く): 3344088001

約数列:

[1, 11, 23, 71, 253, 557, 781, 1633, 2129, 6127, 12811, 17963, 23419, 39547, 48967, 140921, 151159, 435017, 538637, 909581, 1185853, 1662749, 3476657, 10005391, 13044383, 27274619, 38243227, 84195563, 300020809, 926151193, 1936497949, 21301477439]

約数ペア:

[(1, 21301477439), (11, 1936497949), (23, 926151193), (71, 300020809), (253, 84195563), (557, 38243227), (781, 27274619), (1633, 13044383), (2129, 10005391), (6127, 3476657), (12811, 1662749), (17963, 1185853), (23419, 909581), (39547, 538637), (48967, 435017), (140921, 151159)]