21942452721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61463453}}^1$

素因数の和:61463480

約数の個数: 16

約数和(自身を含む): 35402949504

約数和(自身を除く): 13460496783

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 61463453, 184390359, 430244171, 1044878701, 1290732513, 3134636103, 7314150907, 21942452721]

約数ペア:

[(1, 21942452721), (3, 7314150907), (7, 3134636103), (17, 1290732513), (21, 1044878701), (51, 430244171), (119, 184390359), (357, 61463453)]