21000503492

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{54125009}}^1$

素因数の和:54125110

約数の個数: 12

約数和(自身を含む): 37129756860

約数和(自身を除く): 16129253368

約数列:

[1, 2, 4, 97, 194, 388, 54125009, 108250018, 216500036, 5250125873, 10500251746, 21000503492]

約数ペア:

[(1, 21000503492), (2, 10500251746), (4, 5250125873), (97, 216500036), (194, 108250018), (388, 54125009)]