21728074

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4289}}^1$

素因数の和:4457

約数の個数: 16

約数和(自身を含む): 34749000

約数和(自身を除く): 13020926

約数列:

[1, 2, 17, 34, 149, 298, 2533, 4289, 5066, 8578, 72913, 145826, 639061, 1278122, 10864037, 21728074]

約数ペア:

[(1, 21728074), (2, 10864037), (17, 1278122), (34, 639061), (149, 145826), (298, 72913), (2533, 8578), (4289, 5066)]