21092822

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 32464800

約数和(自身を除く): 11371978

約数列:

[1, 2, 71, 89, 142, 178, 1669, 3338, 6319, 12638, 118499, 148541, 236998, 297082, 10546411, 21092822]

約数ペア:

[(1, 21092822), (2, 10546411), (71, 297082), (89, 236998), (142, 148541), (178, 118499), (1669, 12638), (3338, 6319)]