21016016

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6053}}^1$

素因数の和:6099

約数の個数: 40

約数和(自身を含む): 48044544

約数和(自身を除く): 27028528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6053, 12106, 24212, 42371, 48424, 84742, 96848, 169484, 187643, 338968, 375286, 677936, 750572, 1313501, 1501144, 2627002, 3002288, 5254004, 10508008, 21016016]

約数ペア:

[(1, 21016016), (2, 10508008), (4, 5254004), (7, 3002288), (8, 2627002), (14, 1501144), (16, 1313501), (28, 750572), (31, 677936), (56, 375286), (62, 338968), (112, 187643), (124, 169484), (217, 96848), (248, 84742), (434, 48424), (496, 42371), (868, 24212), (1736, 12106), (3472, 6053)]