21227140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96487}}^1$

素因数の和:96507

約数の個数: 24

約数和(自身を含む): 48629952

約数和(自身を除く): 27402812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96487, 192974, 385948, 482435, 964870, 1061357, 1929740, 2122714, 4245428, 5306785, 10613570, 21227140]

約数ペア:

[(1, 21227140), (2, 10613570), (4, 5306785), (5, 4245428), (10, 2122714), (11, 1929740), (20, 1061357), (22, 964870), (44, 482435), (55, 385948), (110, 192974), (220, 96487)]