21155016

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21499}}^1$

素因数の和:21549

約数の個数: 32

約数和(自身を含む): 54180000

約数和(自身を除く): 33024984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21499, 42998, 64497, 85996, 128994, 171992, 257988, 515976, 881459, 1762918, 2644377, 3525836, 5288754, 7051672, 10577508, 21155016]

約数ペア:

[(1, 21155016), (2, 10577508), (3, 7051672), (4, 5288754), (6, 3525836), (8, 2644377), (12, 1762918), (24, 881459), (41, 515976), (82, 257988), (123, 171992), (164, 128994), (246, 85996), (328, 64497), (492, 42998), (984, 21499)]