21061536

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{5351}}^1$

素因数の和:5405

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 35584032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 5351, 10702, 16053, 21404, 32106, 42808, 64212, 85616, 128424, 171232, 219391, 256848, 438782, 513696, 658173, 877564, 1316346, 1755128, 2632692, 3510256, 5265384, 7020512, 10530768, 21061536]

約数ペア:

[(1, 21061536), (2, 10530768), (3, 7020512), (4, 5265384), (6, 3510256), (8, 2632692), (12, 1755128), (16, 1316346), (24, 877564), (32, 658173), (41, 513696), (48, 438782), (82, 256848), (96, 219391), (123, 171232), (164, 128424), (246, 85616), (328, 64212), (492, 42808), (656, 32106), (984, 21404), (1312, 16053), (1968, 10702), (3936, 5351)]