21000316618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{552639911}}^1$

素因数の和:552639932

約数の個数: 8

約数和(自身を含む): 33158394720

約数和(自身を除く): 12158078102

約数列:

[1, 2, 19, 38, 552639911, 1105279822, 10500158309, 21000316618]

約数ペア:

[(1, 21000316618), (2, 10500158309), (19, 1105279822), (38, 552639911)]