21000337384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201926321}}^1$

素因数の和:201926340

約数の個数: 16

約数和(自身を含む): 42404527620

約数和(自身を除く): 21404190236

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201926321, 403852642, 807705284, 1615410568, 2625042173, 5250084346, 10500168692, 21000337384]

約数ペア:

[(1, 21000337384), (2, 10500168692), (4, 5250084346), (8, 2625042173), (13, 1615410568), (26, 807705284), (52, 403852642), (104, 201926321)]