21437836

素因数分解:

$2^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1249}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 42980000

約数和(自身を除く): 21542164

約数列:

[1, 2, 4, 7, 14, 28, 613, 1226, 1249, 2452, 2498, 4291, 4996, 8582, 8743, 17164, 17486, 34972, 765637, 1531274, 3062548, 5359459, 10718918, 21437836]

約数ペア:

[(1, 21437836), (2, 10718918), (4, 5359459), (7, 3062548), (14, 1531274), (28, 765637), (613, 34972), (1226, 17486), (1249, 17164), (2452, 8743), (2498, 8582), (4291, 4996)]