21586045768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20287637}}^1$

素因数の和:20287669

約数の個数: 32

約数和(自身を含む): 48690331200

約数和(自身を除く): 27104285432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20287637, 40575274, 81150548, 142013459, 162301096, 284026918, 385465103, 568053836, 770930206, 1136107672, 1541860412, 2698255721, 3083720824, 5396511442, 10793022884, 21586045768]

約数ペア:

[(1, 21586045768), (2, 10793022884), (4, 5396511442), (7, 3083720824), (8, 2698255721), (14, 1541860412), (19, 1136107672), (28, 770930206), (38, 568053836), (56, 385465103), (76, 284026918), (133, 162301096), (152, 142013459), (266, 81150548), (532, 40575274), (1064, 20287637)]