21174316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2377}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 39550896

約数和(自身を除く): 18376580

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2377, 4454, 4754, 8908, 9508, 40409, 80818, 161636, 311387, 622774, 1245548, 5293579, 10587158, 21174316]

約数ペア:

[(1, 21174316), (2, 10587158), (4, 5293579), (17, 1245548), (34, 622774), (68, 311387), (131, 161636), (262, 80818), (524, 40409), (2227, 9508), (2377, 8908), (4454, 4754)]