21000700042

素因数分解:

$2^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1822661}}^1$

素因数の和:1823493

約数の個数: 16

約数和(自身を含む): 36044963712

約数和(自身を除く): 15044263670

約数列:

[1, 2, 7, 14, 823, 1646, 5761, 11522, 1822661, 3645322, 12758627, 25517254, 1500050003, 3000100006, 10500350021, 21000700042]

約数ペア:

[(1, 21000700042), (2, 10500350021), (7, 3000100006), (14, 1500050003), (823, 25517254), (1646, 12758627), (5761, 3645322), (11522, 1822661)]