21034075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 27507168

約数和(自身を除く): 6473093

約数列:

[1, 5, 23, 25, 115, 157, 233, 575, 785, 1165, 3611, 3925, 5359, 5825, 18055, 26795, 36581, 90275, 133975, 182905, 841363, 914525, 4206815, 21034075]

約数ペア:

[(1, 21034075), (5, 4206815), (23, 914525), (25, 841363), (115, 182905), (157, 133975), (233, 90275), (575, 36581), (785, 26795), (1165, 18055), (3611, 5825), (3925, 5359)]