21317468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1567}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18196132

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 1567, 3134, 3401, 6268, 6802, 13604, 29773, 59546, 119092, 280493, 560986, 1121972, 5329367, 10658734, 21317468]

約数ペア:

[(1, 21317468), (2, 10658734), (4, 5329367), (19, 1121972), (38, 560986), (76, 280493), (179, 119092), (358, 59546), (716, 29773), (1567, 13604), (3134, 6802), (3401, 6268)]