21906736

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7649}}^1$

素因数の和:7836

約数の個数: 20

約数和(自身を含む): 42687000

約数和(自身を除く): 20780264

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7649, 15298, 30596, 61192, 122384, 1369171, 2738342, 5476684, 10953368, 21906736]

約数ペア:

[(1, 21906736), (2, 10953368), (4, 5476684), (8, 2738342), (16, 1369171), (179, 122384), (358, 61192), (716, 30596), (1432, 15298), (2864, 7649)]