21723292

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3967}}^1$

素因数の和:4045

約数の個数: 18

約数和(自身を含む): 39080832

約数和(自身を除く): 17357540

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3967, 5476, 7934, 15868, 146779, 293558, 587116, 5430823, 10861646, 21723292]

約数ペア:

[(1, 21723292), (2, 10861646), (4, 5430823), (37, 587116), (74, 293558), (148, 146779), (1369, 15868), (2738, 7934), (3967, 5476)]