21571792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 48237984

約数和(自身を除く): 26666192

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 73, 88, 92, 146, 176, 184, 253, 292, 368, 506, 584, 803, 1012, 1168, 1606, 1679, 2024, 3212, 3358, 4048, 5329, 6424, 6716, 10658, 12848, 13432, 18469, 21316, 26864, 36938, 42632, 58619, 73876, 85264, 117238, 122567, 147752, 234476, 245134, 295504, 468952, 490268, 937904, 980536, 1348237, 1961072, 2696474, 5392948, 10785896, 21571792]

約数ペア:

[(1, 21571792), (2, 10785896), (4, 5392948), (8, 2696474), (11, 1961072), (16, 1348237), (22, 980536), (23, 937904), (44, 490268), (46, 468952), (73, 295504), (88, 245134), (92, 234476), (146, 147752), (176, 122567), (184, 117238), (253, 85264), (292, 73876), (368, 58619), (506, 42632), (584, 36938), (803, 26864), (1012, 21316), (1168, 18469), (1606, 13432), (1679, 12848), (2024, 10658), (3212, 6716), (3358, 6424), (4048, 5329)]