21849886

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 24

約数和(自身を含む): 35304984

約数和(自身を除く): 13455098

約数列:

[1, 2, 19, 38, 53, 106, 361, 571, 722, 1007, 1142, 2014, 10849, 19133, 21698, 30263, 38266, 60526, 206131, 412262, 574997, 1149994, 10924943, 21849886]

約数ペア:

[(1, 21849886), (2, 10924943), (19, 1149994), (38, 574997), (53, 412262), (106, 206131), (361, 60526), (571, 38266), (722, 30263), (1007, 21698), (1142, 19133), (2014, 10849)]