2021521664

素因数分解:

$2^8\times {\mathrm{7896569}}^1$

素因数の和:7896585

約数の個数: 18

約数和(自身を含む): 4035147270

約数和(自身を除く): 2013625606

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 7896569, 15793138, 31586276, 63172552, 126345104, 252690208, 505380416, 1010760832, 2021521664]

約数ペア:

[(1, 2021521664), (2, 1010760832), (4, 505380416), (8, 252690208), (16, 126345104), (32, 63172552), (64, 31586276), (128, 15793138), (256, 7896569)]