21271008

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20143}}^1$

素因数の和:20167

約数の個数: 48

約数和(自身を含む): 60915456

約数和(自身を除く): 39644448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20143, 40286, 60429, 80572, 120858, 161144, 221573, 241716, 322288, 443146, 483432, 644576, 664719, 886292, 966864, 1329438, 1772584, 1933728, 2658876, 3545168, 5317752, 7090336, 10635504, 21271008]

約数ペア:

[(1, 21271008), (2, 10635504), (3, 7090336), (4, 5317752), (6, 3545168), (8, 2658876), (11, 1933728), (12, 1772584), (16, 1329438), (22, 966864), (24, 886292), (32, 664719), (33, 644576), (44, 483432), (48, 443146), (66, 322288), (88, 241716), (96, 221573), (132, 161144), (176, 120858), (264, 80572), (352, 60429), (528, 40286), (1056, 20143)]