21054112

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7927}}^1$

素因数の和:8020

約数の個数: 24

約数和(自身を含む): 41954976

約数和(自身を除く): 20900864

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7927, 15854, 31708, 63416, 126832, 253664, 657941, 1315882, 2631764, 5263528, 10527056, 21054112]

約数ペア:

[(1, 21054112), (2, 10527056), (4, 5263528), (8, 2631764), (16, 1315882), (32, 657941), (83, 253664), (166, 126832), (332, 63416), (664, 31708), (1328, 15854), (2656, 7927)]