21347529

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59797}}^1$

素因数の和:59824

約数の個数: 16

約数和(自身を含む): 34443648

約数和(自身を除く): 13096119

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59797, 179391, 418579, 1016549, 1255737, 3049647, 7115843, 21347529]

約数ペア:

[(1, 21347529), (3, 7115843), (7, 3049647), (17, 1255737), (21, 1016549), (51, 418579), (119, 179391), (357, 59797)]