21572012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70039}}^1$

素因数の和:70061

約数の個数: 24

約数和(自身を含む): 47066880

約数和(自身を除く): 25494868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70039, 140078, 280156, 490273, 770429, 980546, 1540858, 1961092, 3081716, 5393003, 10786006, 21572012]

約数ペア:

[(1, 21572012), (2, 10786006), (4, 5393003), (7, 3081716), (11, 1961092), (14, 1540858), (22, 980546), (28, 770429), (44, 490273), (77, 280156), (154, 140078), (308, 70039)]