21803008

素因数分解:

$2^{12}\times {\mathrm{5323}}^1$

素因数の和:5347

約数の個数: 26

約数和(自身を含む): 43608884

約数和(自身を除く): 21805876

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 5323, 10646, 21292, 42584, 85168, 170336, 340672, 681344, 1362688, 2725376, 5450752, 10901504, 21803008]

約数ペア:

[(1, 21803008), (2, 10901504), (4, 5450752), (8, 2725376), (16, 1362688), (32, 681344), (64, 340672), (128, 170336), (256, 85168), (512, 42584), (1024, 21292), (2048, 10646), (4096, 5323)]