21020128

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{22651}}^1$

素因数の和:22690

約数の個数: 24

約数和(自身を含む): 42812280

約数和(自身を除く): 21792152

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 22651, 45302, 90604, 181208, 362416, 656879, 724832, 1313758, 2627516, 5255032, 10510064, 21020128]

約数ペア:

[(1, 21020128), (2, 10510064), (4, 5255032), (8, 2627516), (16, 1313758), (29, 724832), (32, 656879), (58, 362416), (116, 181208), (232, 90604), (464, 45302), (928, 22651)]