21167019970

素因数分解:

$2^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{3668461}}^1$

素因数の和:3669045

約数の個数: 16

約数和(自身を含む): 38166678648

約数和(自身を除く): 16999658678

約数列:

[1, 2, 5, 10, 577, 1154, 2885, 5770, 3668461, 7336922, 18342305, 36684610, 2116701997, 4233403994, 10583509985, 21167019970]

約数ペア:

[(1, 21167019970), (2, 10583509985), (5, 4233403994), (10, 2116701997), (577, 36684610), (1154, 18342305), (2885, 7336922), (5770, 3668461)]