21276453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9623}}^1$

素因数の和:9704

約数の個数: 16

約数和(自身を含む): 31412736

約数和(自身を除く): 10136283

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9623, 28869, 105853, 317559, 644741, 1934223, 7092151, 21276453]

約数ペア:

[(1, 21276453), (3, 7092151), (11, 1934223), (33, 644741), (67, 317559), (201, 105853), (737, 28869), (2211, 9623)]