21120362

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17929}}^1$

素因数の和:17981

約数の個数: 16

約数和(自身を含む): 34425600

約数和(自身を除く): 13305238

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17929, 35858, 340651, 555799, 681302, 1111598, 10560181, 21120362]

約数ペア:

[(1, 21120362), (2, 10560181), (19, 1111598), (31, 681302), (38, 555799), (62, 340651), (589, 35858), (1178, 17929)]