21167280256

素因数分解:

$2^7\times {\mathrm{165369377}}^1$

素因数の和:165369391

約数の個数: 16

約数和(自身を含む): 42169191390

約数和(自身を除く): 21001911134

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165369377, 330738754, 661477508, 1322955016, 2645910032, 5291820064, 10583640128, 21167280256]

約数ペア:

[(1, 21167280256), (2, 10583640128), (4, 5291820064), (8, 2645910032), (16, 1322955016), (32, 661477508), (64, 330738754), (128, 165369377)]