21074710

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15383}}^1$

素因数の和:15527

約数の個数: 16

約数和(自身を含む): 38213856

約数和(自身を除く): 17139146

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 15383, 30766, 76915, 153830, 2107471, 4214942, 10537355, 21074710]

約数ペア:

[(1, 21074710), (2, 10537355), (5, 4214942), (10, 2107471), (137, 153830), (274, 76915), (685, 30766), (1370, 15383)]