21762259197

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54542003}}^1$

素因数の和:54542032

約数の個数: 16

約数和(自身を含む): 34906882560

約数和(自身を除く): 13144623363

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54542003, 163626009, 381794021, 1036298057, 1145382063, 3108894171, 7254086399, 21762259197]

約数ペア:

[(1, 21762259197), (3, 7254086399), (7, 3108894171), (19, 1145382063), (21, 1036298057), (57, 381794021), (133, 163626009), (399, 54542003)]