21255264

素因数分解:

$2^5\times 3^3\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 63030240

約数和(自身を除く): 41774976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 73, 96, 108, 144, 146, 216, 219, 288, 292, 337, 432, 438, 584, 657, 674, 864, 876, 1011, 1168, 1314, 1348, 1752, 1971, 2022, 2336, 2628, 2696, 3033, 3504, 3942, 4044, 5256, 5392, 6066, 7008, 7884, 8088, 9099, 10512, 10784, 12132, 15768, 16176, 18198, 21024, 24264, 24601, 31536, 32352, 36396, 48528, 49202, 63072, 72792, 73803, 97056, 98404, 145584, 147606, 196808, 221409, 291168, 295212, 393616, 442818, 590424, 664227, 787232, 885636, 1180848, 1328454, 1771272, 2361696, 2656908, 3542544, 5313816, 7085088, 10627632, 21255264]

約数ペア:

[(1, 21255264), (2, 10627632), (3, 7085088), (4, 5313816), (6, 3542544), (8, 2656908), (9, 2361696), (12, 1771272), (16, 1328454), (18, 1180848), (24, 885636), (27, 787232), (32, 664227), (36, 590424), (48, 442818), (54, 393616), (72, 295212), (73, 291168), (96, 221409), (108, 196808), (144, 147606), (146, 145584), (216, 98404), (219, 97056), (288, 73803), (292, 72792), (337, 63072), (432, 49202), (438, 48528), (584, 36396), (657, 32352), (674, 31536), (864, 24601), (876, 24264), (1011, 21024), (1168, 18198), (1314, 16176), (1348, 15768), (1752, 12132), (1971, 10784), (2022, 10512), (2336, 9099), (2628, 8088), (2696, 7884), (3033, 7008), (3504, 6066), (3942, 5392), (4044, 5256)]