21096368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42533}}^1$

素因数の和:42572

約数の個数: 20

約数和(自身を含む): 42193728

約数和(自身を除く): 21097360

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42533, 85066, 170132, 340264, 680528, 1318523, 2637046, 5274092, 10548184, 21096368]

約数ペア:

[(1, 21096368), (2, 10548184), (4, 5274092), (8, 2637046), (16, 1318523), (31, 680528), (62, 340264), (124, 170132), (248, 85066), (496, 42533)]