21355252

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{811}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 38878560

約数和(自身を除く): 17523308

約数列:

[1, 2, 4, 29, 58, 116, 227, 454, 811, 908, 1622, 3244, 6583, 13166, 23519, 26332, 47038, 94076, 184097, 368194, 736388, 5338813, 10677626, 21355252]

約数ペア:

[(1, 21355252), (2, 10677626), (4, 5338813), (29, 736388), (58, 368194), (116, 184097), (227, 94076), (454, 47038), (811, 26332), (908, 23519), (1622, 13166), (3244, 6583)]