21179466

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 60821280

約数和(自身を除く): 39641814

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 37, 42, 49, 59, 63, 66, 74, 77, 98, 99, 111, 118, 126, 147, 154, 177, 198, 222, 231, 259, 294, 333, 354, 407, 413, 441, 462, 518, 531, 539, 649, 666, 693, 777, 814, 826, 882, 1062, 1078, 1221, 1239, 1298, 1386, 1554, 1617, 1813, 1947, 2183, 2331, 2442, 2478, 2849, 2891, 3234, 3626, 3663, 3717, 3894, 4366, 4543, 4662, 4851, 5439, 5698, 5782, 5841, 6549, 7326, 7434, 8547, 8673, 9086, 9702, 10878, 11682, 13098, 13629, 15281, 16317, 17094, 17346, 19647, 19943, 24013, 25641, 26019, 27258, 30562, 31801, 32634, 39294, 39886, 40887, 45843, 48026, 51282, 52038, 59829, 63602, 72039, 81774, 91686, 95403, 106967, 119658, 137529, 144078, 168091, 179487, 190806, 213934, 216117, 275058, 286209, 320901, 336182, 358974, 432234, 504273, 572418, 641802, 962703, 1008546, 1176637, 1512819, 1925406, 2353274, 3025638, 3529911, 7059822, 10589733, 21179466]

約数ペア:

[(1, 21179466), (2, 10589733), (3, 7059822), (6, 3529911), (7, 3025638), (9, 2353274), (11, 1925406), (14, 1512819), (18, 1176637), (21, 1008546), (22, 962703), (33, 641802), (37, 572418), (42, 504273), (49, 432234), (59, 358974), (63, 336182), (66, 320901), (74, 286209), (77, 275058), (98, 216117), (99, 213934), (111, 190806), (118, 179487), (126, 168091), (147, 144078), (154, 137529), (177, 119658), (198, 106967), (222, 95403), (231, 91686), (259, 81774), (294, 72039), (333, 63602), (354, 59829), (407, 52038), (413, 51282), (441, 48026), (462, 45843), (518, 40887), (531, 39886), (539, 39294), (649, 32634), (666, 31801), (693, 30562), (777, 27258), (814, 26019), (826, 25641), (882, 24013), (1062, 19943), (1078, 19647), (1221, 17346), (1239, 17094), (1298, 16317), (1386, 15281), (1554, 13629), (1617, 13098), (1813, 11682), (1947, 10878), (2183, 9702), (2331, 9086), (2442, 8673), (2478, 8547), (2849, 7434), (2891, 7326), (3234, 6549), (3626, 5841), (3663, 5782), (3717, 5698), (3894, 5439), (4366, 4851), (4543, 4662)]