21640264

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 43126200

約数和(自身を除く): 21485936

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2521, 4292, 5042, 8584, 10084, 20168, 73109, 93277, 146218, 186554, 292436, 373108, 584872, 746216, 2705033, 5410066, 10820132, 21640264]

約数ペア:

[(1, 21640264), (2, 10820132), (4, 5410066), (8, 2705033), (29, 746216), (37, 584872), (58, 373108), (74, 292436), (116, 186554), (148, 146218), (232, 93277), (296, 73109), (1073, 20168), (2146, 10084), (2521, 8584), (4292, 5042)]