21945448

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5849}}^1$

素因数の和:5929

約数の個数: 32

約数和(自身を含む): 47736000

約数和(自身を除く): 25790552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5849, 11698, 23396, 40943, 46792, 81886, 163772, 327544, 391883, 783766, 1567532, 2743181, 3135064, 5486362, 10972724, 21945448]

約数ペア:

[(1, 21945448), (2, 10972724), (4, 5486362), (7, 3135064), (8, 2743181), (14, 1567532), (28, 783766), (56, 391883), (67, 327544), (134, 163772), (268, 81886), (469, 46792), (536, 40943), (938, 23396), (1876, 11698), (3752, 5849)]