21000888020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150006343}}^1$

素因数の和:150006359

約数の個数: 24

約数和(自身を含む): 50402131584

約数和(自身を除く): 29401243564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150006343, 300012686, 600025372, 750031715, 1050044401, 1500063430, 2100088802, 3000126860, 4200177604, 5250222005, 10500444010, 21000888020]

約数ペア:

[(1, 21000888020), (2, 10500444010), (4, 5250222005), (5, 4200177604), (7, 3000126860), (10, 2100088802), (14, 1500063430), (20, 1050044401), (28, 750031715), (35, 600025372), (70, 300012686), (140, 150006343)]