21000435454

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1\times {\mathrm{249287}}^1$

素因数の和:249939

約数の個数: 16

約数和(自身を含む): 31987639008

約数和(自身を除く): 10987203554

約数列:

[1, 2, 73, 146, 577, 1154, 42121, 84242, 249287, 498574, 18197951, 36395902, 143838599, 287677198, 10500217727, 21000435454]

約数ペア:

[(1, 21000435454), (2, 10500217727), (73, 287677198), (146, 143838599), (577, 36395902), (1154, 18197951), (42121, 498574), (84242, 249287)]