21147966

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1135

約数の個数: 80

約数和(自身を含む): 57394656

約数和(自身を除く): 36246690

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1071, 1097, 1134, 1377, 2142, 2194, 2754, 3213, 3291, 6426, 6582, 7679, 9639, 9873, 15358, 18649, 19278, 19746, 23037, 29619, 37298, 46074, 55947, 59238, 69111, 88857, 111894, 130543, 138222, 167841, 177714, 207333, 261086, 335682, 391629, 414666, 503523, 621999, 783258, 1007046, 1174887, 1243998, 1510569, 2349774, 3021138, 3524661, 7049322, 10573983, 21147966]

約数ペア:

[(1, 21147966), (2, 10573983), (3, 7049322), (6, 3524661), (7, 3021138), (9, 2349774), (14, 1510569), (17, 1243998), (18, 1174887), (21, 1007046), (27, 783258), (34, 621999), (42, 503523), (51, 414666), (54, 391629), (63, 335682), (81, 261086), (102, 207333), (119, 177714), (126, 167841), (153, 138222), (162, 130543), (189, 111894), (238, 88857), (306, 69111), (357, 59238), (378, 55947), (459, 46074), (567, 37298), (714, 29619), (918, 23037), (1071, 19746), (1097, 19278), (1134, 18649), (1377, 15358), (2142, 9873), (2194, 9639), (2754, 7679), (3213, 6582), (3291, 6426)]