21721072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36691}}^1$

素因数の和:36736

約数の個数: 20

約数和(自身を含む): 43223176

約数和(自身を除く): 21502104

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36691, 73382, 146764, 293528, 587056, 1357567, 2715134, 5430268, 10860536, 21721072]

約数ペア:

[(1, 21721072), (2, 10860536), (4, 5430268), (8, 2715134), (16, 1357567), (37, 587056), (74, 293528), (148, 146764), (296, 73382), (592, 36691)]