21977884818

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:937

約数の個数: 128

約数和(自身を含む): 52284960000

約数和(自身を除く): 30307075182

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 181, 306, 349, 362, 379, 459, 543, 698, 758, 918, 1047, 1086, 1137, 1629, 2094, 2274, 3077, 3141, 3258, 3411, 4887, 5933, 6154, 6282, 6443, 6822, 9231, 9423, 9774, 10233, 11866, 12886, 17799, 18462, 18846, 19329, 20466, 27693, 35598, 38658, 53397, 55386, 57987, 63169, 68599, 83079, 106794, 115974, 126338, 132271, 137198, 160191, 166158, 173961, 189507, 205797, 264542, 320382, 347922, 379014, 396813, 411594, 568521, 617391, 793626, 1073873, 1137042, 1166183, 1190439, 1234782, 1705563, 1852173, 2147746, 2248607, 2332366, 2380878, 3221619, 3411126, 3498549, 3571317, 3704346, 4497214, 6443238, 6745821, 6997098, 7142634, 9664857, 10495647, 13491642, 19329714, 20237463, 20991294, 23941051, 28994571, 31486941, 40474926, 47882102, 57989142, 60712389, 62973882, 71823153, 121424778, 143646306, 215469459, 406997867, 430938918, 646408377, 813995734, 1220993601, 1292816754, 2441987202, 3662980803, 7325961606, 10988942409, 21977884818]

約数ペア:

[(1, 21977884818), (2, 10988942409), (3, 7325961606), (6, 3662980803), (9, 2441987202), (17, 1292816754), (18, 1220993601), (27, 813995734), (34, 646408377), (51, 430938918), (54, 406997867), (102, 215469459), (153, 143646306), (181, 121424778), (306, 71823153), (349, 62973882), (362, 60712389), (379, 57989142), (459, 47882102), (543, 40474926), (698, 31486941), (758, 28994571), (918, 23941051), (1047, 20991294), (1086, 20237463), (1137, 19329714), (1629, 13491642), (2094, 10495647), (2274, 9664857), (3077, 7142634), (3141, 6997098), (3258, 6745821), (3411, 6443238), (4887, 4497214), (5933, 3704346), (6154, 3571317), (6282, 3498549), (6443, 3411126), (6822, 3221619), (9231, 2380878), (9423, 2332366), (9774, 2248607), (10233, 2147746), (11866, 1852173), (12886, 1705563), (17799, 1234782), (18462, 1190439), (18846, 1166183), (19329, 1137042), (20466, 1073873), (27693, 793626), (35598, 617391), (38658, 568521), (53397, 411594), (55386, 396813), (57987, 379014), (63169, 347922), (68599, 320382), (83079, 264542), (106794, 205797), (115974, 189507), (126338, 173961), (132271, 166158), (137198, 160191)]