21780383

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 24470784

約数和(自身を除く): 2690401

約数列:

[1, 17, 31, 37, 527, 629, 1117, 1147, 18989, 19499, 34627, 41329, 588659, 702593, 1281199, 21780383]

約数ペア:

[(1, 21780383), (17, 1281199), (31, 702593), (37, 588659), (527, 41329), (629, 34627), (1117, 19499), (1147, 18989)]