21000947982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500022571}}^1$

素因数の和:500022583

約数の個数: 16

約数和(自身を含む): 48002166912

約数和(自身を除く): 27001218930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500022571, 1000045142, 1500067713, 3000135426, 3500157997, 7000315994, 10500473991, 21000947982]

約数ペア:

[(1, 21000947982), (2, 10500473991), (3, 7000315994), (6, 3500157997), (7, 3000135426), (14, 1500067713), (21, 1000045142), (42, 500022571)]