21569492

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33493}}^1$

素因数の和:33527

約数の個数: 24

約数和(自身を含む): 45015936

約数和(自身を除く): 23446444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33493, 66986, 133972, 234451, 468902, 770339, 937804, 1540678, 3081356, 5392373, 10784746, 21569492]

約数ペア:

[(1, 21569492), (2, 10784746), (4, 5392373), (7, 3081356), (14, 1540678), (23, 937804), (28, 770339), (46, 468902), (92, 234451), (161, 133972), (322, 66986), (644, 33493)]