21941836

素因数分解:

$2^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1291}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 43990016

約数和(自身を除く): 22048180

約数列:

[1, 2, 4, 7, 14, 28, 607, 1214, 1291, 2428, 2582, 4249, 5164, 8498, 9037, 16996, 18074, 36148, 783637, 1567274, 3134548, 5485459, 10970918, 21941836]

約数ペア:

[(1, 21941836), (2, 10970918), (4, 5485459), (7, 3134548), (14, 1567274), (28, 783637), (607, 36148), (1214, 18074), (1291, 16996), (2428, 9037), (2582, 8498), (4249, 5164)]