21325312

素因数分解:

$2^9\times {\mathrm{41651}}^1$

素因数の和:41669

約数の個数: 20

約数和(自身を含む): 42609996

約数和(自身を除く): 21284684

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41651, 83302, 166604, 333208, 666416, 1332832, 2665664, 5331328, 10662656, 21325312]

約数ペア:

[(1, 21325312), (2, 10662656), (4, 5331328), (8, 2665664), (16, 1332832), (32, 666416), (64, 333208), (128, 166604), (256, 83302), (512, 41651)]