21268422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35340858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 41, 42, 46, 63, 69, 82, 123, 126, 138, 161, 179, 207, 246, 287, 322, 358, 369, 414, 483, 537, 574, 738, 861, 943, 966, 1074, 1253, 1449, 1611, 1722, 1886, 2506, 2583, 2829, 2898, 3222, 3759, 4117, 5166, 5658, 6601, 7339, 7518, 8234, 8487, 11277, 12351, 13202, 14678, 16974, 19803, 22017, 22554, 24702, 28819, 37053, 39606, 44034, 51373, 57638, 59409, 66051, 74106, 86457, 102746, 118818, 132102, 154119, 168797, 172914, 259371, 308238, 337594, 462357, 506391, 518742, 924714, 1012782, 1181579, 1519173, 2363158, 3038346, 3544737, 7089474, 10634211, 21268422]

約数ペア:

[(1, 21268422), (2, 10634211), (3, 7089474), (6, 3544737), (7, 3038346), (9, 2363158), (14, 1519173), (18, 1181579), (21, 1012782), (23, 924714), (41, 518742), (42, 506391), (46, 462357), (63, 337594), (69, 308238), (82, 259371), (123, 172914), (126, 168797), (138, 154119), (161, 132102), (179, 118818), (207, 102746), (246, 86457), (287, 74106), (322, 66051), (358, 59409), (369, 57638), (414, 51373), (483, 44034), (537, 39606), (574, 37053), (738, 28819), (861, 24702), (943, 22554), (966, 22017), (1074, 19803), (1253, 16974), (1449, 14678), (1611, 13202), (1722, 12351), (1886, 11277), (2506, 8487), (2583, 8234), (2829, 7518), (2898, 7339), (3222, 6601), (3759, 5658), (4117, 5166)]