21108458

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 18455830

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2861, 3689, 5722, 7378, 20027, 40054, 48637, 88691, 97274, 177382, 340459, 620837, 680918, 1241674, 1507747, 3015494, 10554229, 21108458]

約数ペア:

[(1, 21108458), (2, 10554229), (7, 3015494), (14, 1507747), (17, 1241674), (31, 680918), (34, 620837), (62, 340459), (119, 177382), (217, 97274), (238, 88691), (434, 48637), (527, 40054), (1054, 20027), (2861, 7378), (3689, 5722)]