21831548

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 40883640

約数和(自身を除く): 19052092

約数列:

[1, 2, 4, 29, 53, 58, 67, 106, 116, 134, 212, 268, 1537, 1943, 2809, 3074, 3551, 3886, 5618, 6148, 7102, 7772, 11236, 14204, 81461, 102979, 162922, 188203, 205958, 325844, 376406, 411916, 752812, 5457887, 10915774, 21831548]

約数ペア:

[(1, 21831548), (2, 10915774), (4, 5457887), (29, 752812), (53, 411916), (58, 376406), (67, 325844), (106, 205958), (116, 188203), (134, 162922), (212, 102979), (268, 81461), (1537, 14204), (1943, 11236), (2809, 7772), (3074, 7102), (3551, 6148), (3886, 5618)]