21897958

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 24

約数和(自身を含む): 34867872

約数和(自身を除く): 12969914

約数列:

[1, 2, 29, 47, 58, 94, 277, 554, 841, 1363, 1682, 2726, 8033, 13019, 16066, 26038, 39527, 79054, 232957, 377551, 465914, 755102, 10948979, 21897958]

約数ペア:

[(1, 21897958), (2, 10948979), (29, 755102), (47, 465914), (58, 377551), (94, 232957), (277, 79054), (554, 39527), (841, 26038), (1363, 16066), (1682, 13019), (2726, 8033)]