21229719

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59467}}^1$

素因数の和:59494

約数の個数: 16

約数和(自身を含む): 34253568

約数和(自身を除く): 13023849

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59467, 178401, 416269, 1010939, 1248807, 3032817, 7076573, 21229719]

約数ペア:

[(1, 21229719), (3, 7076573), (7, 3032817), (17, 1248807), (21, 1010939), (51, 416269), (119, 178401), (357, 59467)]