21854826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 40353174

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 102, 114, 119, 126, 133, 153, 171, 179, 189, 238, 266, 306, 323, 342, 357, 358, 378, 399, 459, 513, 537, 646, 714, 798, 918, 969, 1026, 1071, 1074, 1197, 1253, 1611, 1938, 2142, 2261, 2394, 2506, 2907, 3043, 3213, 3222, 3401, 3591, 3759, 4522, 4833, 5814, 6086, 6426, 6783, 6802, 7182, 7518, 8721, 9129, 9666, 10203, 11277, 13566, 17442, 18258, 20349, 20406, 21301, 22554, 23807, 27387, 30609, 33831, 40698, 42602, 47614, 54774, 57817, 61047, 61218, 63903, 67662, 71421, 82161, 91827, 115634, 122094, 127806, 142842, 164322, 173451, 183654, 191709, 214263, 346902, 383418, 404719, 428526, 520353, 575127, 642789, 809438, 1040706, 1150254, 1214157, 1285578, 1561059, 2428314, 3122118, 3642471, 7284942, 10927413, 21854826]

約数ペア:

[(1, 21854826), (2, 10927413), (3, 7284942), (6, 3642471), (7, 3122118), (9, 2428314), (14, 1561059), (17, 1285578), (18, 1214157), (19, 1150254), (21, 1040706), (27, 809438), (34, 642789), (38, 575127), (42, 520353), (51, 428526), (54, 404719), (57, 383418), (63, 346902), (102, 214263), (114, 191709), (119, 183654), (126, 173451), (133, 164322), (153, 142842), (171, 127806), (179, 122094), (189, 115634), (238, 91827), (266, 82161), (306, 71421), (323, 67662), (342, 63903), (357, 61218), (358, 61047), (378, 57817), (399, 54774), (459, 47614), (513, 42602), (537, 40698), (646, 33831), (714, 30609), (798, 27387), (918, 23807), (969, 22554), (1026, 21301), (1071, 20406), (1074, 20349), (1197, 18258), (1253, 17442), (1611, 13566), (1938, 11277), (2142, 10203), (2261, 9666), (2394, 9129), (2506, 8721), (2907, 7518), (3043, 7182), (3213, 6802), (3222, 6783), (3401, 6426), (3591, 6086), (3759, 5814), (4522, 4833)]