21630273

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60589}}^1$

素因数の和:60616

約数の個数: 16

約数和(自身を含む): 34899840

約数和(自身を除く): 13269567

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60589, 181767, 424123, 1030013, 1272369, 3090039, 7210091, 21630273]

約数ペア:

[(1, 21630273), (3, 7210091), (7, 3090039), (17, 1272369), (21, 1030013), (51, 424123), (119, 181767), (357, 60589)]