21770126

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^2$

素因数の和:153

約数の個数: 36

約数和(自身を含む): 39571272

約数和(自身を除く): 17801146

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 203, 301, 406, 602, 841, 1247, 1682, 1849, 2494, 3698, 5887, 8729, 11774, 12943, 17458, 25886, 36163, 53621, 72326, 107242, 253141, 375347, 506282, 750694, 1555009, 3110018, 10885063, 21770126]

約数ペア:

[(1, 21770126), (2, 10885063), (7, 3110018), (14, 1555009), (29, 750694), (43, 506282), (58, 375347), (86, 253141), (203, 107242), (301, 72326), (406, 53621), (602, 36163), (841, 25886), (1247, 17458), (1682, 12943), (1849, 11774), (2494, 8729), (3698, 5887)]