21741181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 28823616

約数和(自身を除く): 7082435

約数列:

[1, 7, 11, 17, 77, 119, 187, 289, 977, 1309, 2023, 3179, 6839, 10747, 16609, 22253, 75229, 116263, 182699, 282353, 1278893, 1976471, 3105883, 21741181]

約数ペア:

[(1, 21741181), (7, 3105883), (11, 1976471), (17, 1278893), (77, 282353), (119, 182699), (187, 116263), (289, 75229), (977, 22253), (1309, 16609), (2023, 10747), (3179, 6839)]