21188864

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2290

約数の個数: 36

約数和(自身を含む): 43457484

約数和(自身を除く): 22268620

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2237, 2368, 4474, 4736, 8948, 9472, 17896, 35792, 71584, 82769, 143168, 165538, 286336, 331076, 572672, 662152, 1324304, 2648608, 5297216, 10594432, 21188864]

約数ペア:

[(1, 21188864), (2, 10594432), (4, 5297216), (8, 2648608), (16, 1324304), (32, 662152), (37, 572672), (64, 331076), (74, 286336), (128, 165538), (148, 143168), (256, 82769), (296, 71584), (592, 35792), (1184, 17896), (2237, 9472), (2368, 8948), (4474, 4736)]