21262824

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 68824800

約数和(自身を除く): 47561976

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 81, 88, 99, 108, 114, 132, 152, 157, 162, 171, 198, 209, 216, 228, 264, 297, 314, 324, 342, 396, 418, 456, 471, 513, 594, 627, 628, 648, 684, 792, 836, 891, 942, 1026, 1188, 1254, 1256, 1368, 1413, 1539, 1672, 1727, 1782, 1881, 1884, 2052, 2376, 2508, 2826, 2983, 3078, 3454, 3564, 3762, 3768, 4104, 4239, 5016, 5181, 5643, 5652, 5966, 6156, 6908, 7128, 7524, 8478, 8949, 10362, 11286, 11304, 11932, 12312, 12717, 13816, 15048, 15543, 16929, 16956, 17898, 20724, 22572, 23864, 25434, 26847, 31086, 32813, 33858, 33912, 35796, 41448, 45144, 46629, 50868, 53694, 62172, 65626, 67716, 71592, 80541, 93258, 98439, 101736, 107388, 124344, 131252, 135432, 139887, 161082, 186516, 196878, 214776, 241623, 262504, 279774, 295317, 322164, 373032, 393756, 483246, 559548, 590634, 644328, 787512, 885951, 966492, 1119096, 1181268, 1771902, 1932984, 2362536, 2657853, 3543804, 5315706, 7087608, 10631412, 21262824]

約数ペア:

[(1, 21262824), (2, 10631412), (3, 7087608), (4, 5315706), (6, 3543804), (8, 2657853), (9, 2362536), (11, 1932984), (12, 1771902), (18, 1181268), (19, 1119096), (22, 966492), (24, 885951), (27, 787512), (33, 644328), (36, 590634), (38, 559548), (44, 483246), (54, 393756), (57, 373032), (66, 322164), (72, 295317), (76, 279774), (81, 262504), (88, 241623), (99, 214776), (108, 196878), (114, 186516), (132, 161082), (152, 139887), (157, 135432), (162, 131252), (171, 124344), (198, 107388), (209, 101736), (216, 98439), (228, 93258), (264, 80541), (297, 71592), (314, 67716), (324, 65626), (342, 62172), (396, 53694), (418, 50868), (456, 46629), (471, 45144), (513, 41448), (594, 35796), (627, 33912), (628, 33858), (648, 32813), (684, 31086), (792, 26847), (836, 25434), (891, 23864), (942, 22572), (1026, 20724), (1188, 17898), (1254, 16956), (1256, 16929), (1368, 15543), (1413, 15048), (1539, 13816), (1672, 12717), (1727, 12312), (1782, 11932), (1881, 11304), (1884, 11286), (2052, 10362), (2376, 8949), (2508, 8478), (2826, 7524), (2983, 7128), (3078, 6908), (3454, 6156), (3564, 5966), (3762, 5652), (3768, 5643), (4104, 5181), (4239, 5016)]