21881376

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6907}}^1$

素因数の和:6934

約数の個数: 72

約数和(自身を含む): 67891824

約数和(自身を除く): 46010448

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6907, 13814, 20721, 27628, 41442, 55256, 62163, 75977, 82884, 110512, 124326, 151954, 165768, 221024, 227931, 248652, 303908, 331536, 455862, 497304, 607816, 663072, 683793, 911724, 994608, 1215632, 1367586, 1823448, 1989216, 2431264, 2735172, 3646896, 5470344, 7293792, 10940688, 21881376]

約数ペア:

[(1, 21881376), (2, 10940688), (3, 7293792), (4, 5470344), (6, 3646896), (8, 2735172), (9, 2431264), (11, 1989216), (12, 1823448), (16, 1367586), (18, 1215632), (22, 994608), (24, 911724), (32, 683793), (33, 663072), (36, 607816), (44, 497304), (48, 455862), (66, 331536), (72, 303908), (88, 248652), (96, 227931), (99, 221024), (132, 165768), (144, 151954), (176, 124326), (198, 110512), (264, 82884), (288, 75977), (352, 62163), (396, 55256), (528, 41442), (792, 27628), (1056, 20721), (1584, 13814), (3168, 6907)]