21196216

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 41403600

約数和(自身を除く): 20207384

約数列:

[1, 2, 4, 8, 29, 58, 116, 211, 232, 422, 433, 844, 866, 1688, 1732, 3464, 6119, 12238, 12557, 24476, 25114, 48952, 50228, 91363, 100456, 182726, 365452, 730904, 2649527, 5299054, 10598108, 21196216]

約数ペア:

[(1, 21196216), (2, 10598108), (4, 5299054), (8, 2649527), (29, 730904), (58, 365452), (116, 182726), (211, 100456), (232, 91363), (422, 50228), (433, 48952), (844, 25114), (866, 24476), (1688, 12557), (1732, 12238), (3464, 6119)]