21986999937

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{14011}}^1$

素因数の和:14088

約数の個数: 96

約数和(自身を含む): 41000232960

約数和(自身を除く): 19013233023

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 69, 133, 161, 171, 189, 207, 361, 399, 437, 483, 513, 621, 1083, 1197, 1311, 1449, 2527, 3059, 3249, 3591, 3933, 4347, 7581, 8303, 9177, 9747, 11799, 14011, 22743, 24909, 27531, 42033, 58121, 68229, 74727, 82593, 98077, 126099, 174363, 224181, 266209, 294231, 322253, 378297, 523089, 798627, 882693, 966759, 1569267, 1863463, 2255771, 2395881, 2648079, 2900277, 5057971, 5590389, 6122807, 6767313, 7187643, 8700831, 15173913, 16771167, 18368421, 20301939, 35405797, 42859649, 45521739, 50313501, 55105263, 60905817, 106217391, 116333333, 128578947, 136565217, 165315789, 318652173, 348999999, 385736841, 814333331, 955956519, 1046999997, 1157210523, 2442999993, 3140999991, 7328999979, 21986999937]

約数ペア:

[(1, 21986999937), (3, 7328999979), (7, 3140999991), (9, 2442999993), (19, 1157210523), (21, 1046999997), (23, 955956519), (27, 814333331), (57, 385736841), (63, 348999999), (69, 318652173), (133, 165315789), (161, 136565217), (171, 128578947), (189, 116333333), (207, 106217391), (361, 60905817), (399, 55105263), (437, 50313501), (483, 45521739), (513, 42859649), (621, 35405797), (1083, 20301939), (1197, 18368421), (1311, 16771167), (1449, 15173913), (2527, 8700831), (3059, 7187643), (3249, 6767313), (3591, 6122807), (3933, 5590389), (4347, 5057971), (7581, 2900277), (8303, 2648079), (9177, 2395881), (9747, 2255771), (11799, 1863463), (14011, 1569267), (22743, 966759), (24909, 882693), (27531, 798627), (42033, 523089), (58121, 378297), (68229, 322253), (74727, 294231), (82593, 266209), (98077, 224181), (126099, 174363)]