21903922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 15654158

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 697, 779, 827, 1394, 1558, 1654, 13243, 14059, 15713, 26486, 28118, 31426, 33907, 67814, 267121, 534242, 576419, 644233, 1152838, 1288466, 10951961, 21903922]

約数ペア:

[(1, 21903922), (2, 10951961), (17, 1288466), (19, 1152838), (34, 644233), (38, 576419), (41, 534242), (82, 267121), (323, 67814), (646, 33907), (697, 31426), (779, 28118), (827, 26486), (1394, 15713), (1558, 14059), (1654, 13243)]