21087726

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{319511}}^1$

素因数の和:319527

約数の個数: 16

約数和(自身を含む): 46009728

約数和(自身を除く): 24922002

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 319511, 639022, 958533, 1917066, 3514621, 7029242, 10543863, 21087726]

約数ペア:

[(1, 21087726), (2, 10543863), (3, 7029242), (6, 3514621), (11, 1917066), (22, 958533), (33, 639022), (66, 319511)]