21070753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 24373440

約数和(自身を除く): 3302687

約数列:

[1, 11, 19, 181, 209, 557, 1991, 3439, 6127, 10583, 37829, 100817, 116413, 1108987, 1915523, 21070753]

約数ペア:

[(1, 21070753), (11, 1915523), (19, 1108987), (181, 116413), (209, 100817), (557, 37829), (1991, 10583), (3439, 6127)]