21854163

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 11434029

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 391, 527, 601, 713, 1173, 1581, 1803, 2139, 10217, 12121, 13823, 18631, 30651, 36363, 41469, 55893, 234991, 316727, 428513, 704973, 950181, 1285539, 7284721, 21854163]

約数ペア:

[(1, 21854163), (3, 7284721), (17, 1285539), (23, 950181), (31, 704973), (51, 428513), (69, 316727), (93, 234991), (391, 55893), (527, 41469), (601, 36363), (713, 30651), (1173, 18631), (1581, 13823), (1803, 12121), (2139, 10217)]