21310452

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 60923016

約数和(自身を除く): 39612564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 53, 54, 68, 73, 81, 102, 106, 108, 146, 153, 159, 162, 204, 212, 219, 292, 306, 318, 324, 438, 459, 477, 612, 636, 657, 876, 901, 918, 954, 1241, 1314, 1377, 1431, 1802, 1836, 1908, 1971, 2482, 2628, 2703, 2754, 2862, 3604, 3723, 3869, 3942, 4293, 4964, 5406, 5508, 5724, 5913, 7446, 7738, 7884, 8109, 8586, 10812, 11169, 11607, 11826, 14892, 15476, 16218, 17172, 22338, 23214, 23652, 24327, 32436, 33507, 34821, 44676, 46428, 48654, 65773, 67014, 69642, 72981, 97308, 100521, 104463, 131546, 134028, 139284, 145962, 197319, 201042, 208926, 263092, 291924, 313389, 394638, 402084, 417852, 591957, 626778, 789276, 1183914, 1253556, 1775871, 2367828, 3551742, 5327613, 7103484, 10655226, 21310452]

約数ペア:

[(1, 21310452), (2, 10655226), (3, 7103484), (4, 5327613), (6, 3551742), (9, 2367828), (12, 1775871), (17, 1253556), (18, 1183914), (27, 789276), (34, 626778), (36, 591957), (51, 417852), (53, 402084), (54, 394638), (68, 313389), (73, 291924), (81, 263092), (102, 208926), (106, 201042), (108, 197319), (146, 145962), (153, 139284), (159, 134028), (162, 131546), (204, 104463), (212, 100521), (219, 97308), (292, 72981), (306, 69642), (318, 67014), (324, 65773), (438, 48654), (459, 46428), (477, 44676), (612, 34821), (636, 33507), (657, 32436), (876, 24327), (901, 23652), (918, 23214), (954, 22338), (1241, 17172), (1314, 16218), (1377, 15476), (1431, 14892), (1802, 11826), (1836, 11607), (1908, 11169), (1971, 10812), (2482, 8586), (2628, 8109), (2703, 7884), (2754, 7738), (2862, 7446), (3604, 5913), (3723, 5724), (3869, 5508), (3942, 5406), (4293, 4964)]