21804080252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1801}}^1\times {\mathrm{178039}}^1$

素因数の和:179861

約数の個数: 24

約数和(自身を含む): 40424338080

約数和(自身を除く): 18620257828

約数列:

[1, 2, 4, 17, 34, 68, 1801, 3602, 7204, 30617, 61234, 122468, 178039, 356078, 712156, 3026663, 6053326, 12106652, 320648239, 641296478, 1282592956, 5451020063, 10902040126, 21804080252]

約数ペア:

[(1, 21804080252), (2, 10902040126), (4, 5451020063), (17, 1282592956), (34, 641296478), (68, 320648239), (1801, 12106652), (3602, 6053326), (7204, 3026663), (30617, 712156), (61234, 356078), (122468, 178039)]