21440089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 24204096

約数和(自身を除く): 2764007

約数列:

[1, 11, 41, 137, 347, 451, 1507, 3817, 5617, 14227, 47539, 61787, 156497, 522929, 1949099, 21440089]

約数ペア:

[(1, 21440089), (11, 1949099), (41, 522929), (137, 156497), (347, 61787), (451, 47539), (1507, 14227), (3817, 5617)]