21399380028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{337}}^1\times {\mathrm{563}}^1$

素因数の和:1164

約数の個数: 144

約数和(自身を含む): 58773370656

約数和(自身を除く): 37373990628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 241, 337, 468, 482, 563, 674, 723, 964, 1011, 1126, 1348, 1446, 1689, 2022, 2169, 2252, 2892, 3033, 3133, 3378, 4044, 4338, 4381, 5067, 6066, 6266, 6756, 7319, 8676, 8762, 9399, 10134, 12132, 12532, 13143, 14638, 17524, 18798, 20268, 21957, 26286, 28197, 29276, 37596, 39429, 43914, 52572, 56394, 65871, 78858, 81217, 87828, 112788, 131742, 135683, 157716, 162434, 189731, 243651, 263484, 271366, 324868, 379462, 407049, 487302, 542732, 569193, 730953, 758924, 814098, 974604, 1055821, 1138386, 1221147, 1461906, 1628196, 1707579, 1763879, 2111642, 2276772, 2442294, 2466503, 2923812, 3167463, 3415158, 3527758, 4223284, 4884588, 4933006, 5291637, 6334926, 6830316, 7055516, 7399509, 9502389, 9866012, 10583274, 12669852, 14799018, 15874911, 19004778, 21166548, 22198527, 29598036, 31749822, 38009556, 44397054, 45725171, 63499644, 88794108, 91450342, 137175513, 182900684, 274351026, 411526539, 548702052, 594427223, 823053078, 1188854446, 1646106156, 1783281669, 2377708892, 3566563338, 5349845007, 7133126676, 10699690014, 21399380028]

約数ペア:

[(1, 21399380028), (2, 10699690014), (3, 7133126676), (4, 5349845007), (6, 3566563338), (9, 2377708892), (12, 1783281669), (13, 1646106156), (18, 1188854446), (26, 823053078), (36, 594427223), (39, 548702052), (52, 411526539), (78, 274351026), (117, 182900684), (156, 137175513), (234, 91450342), (241, 88794108), (337, 63499644), (468, 45725171), (482, 44397054), (563, 38009556), (674, 31749822), (723, 29598036), (964, 22198527), (1011, 21166548), (1126, 19004778), (1348, 15874911), (1446, 14799018), (1689, 12669852), (2022, 10583274), (2169, 9866012), (2252, 9502389), (2892, 7399509), (3033, 7055516), (3133, 6830316), (3378, 6334926), (4044, 5291637), (4338, 4933006), (4381, 4884588), (5067, 4223284), (6066, 3527758), (6266, 3415158), (6756, 3167463), (7319, 2923812), (8676, 2466503), (8762, 2442294), (9399, 2276772), (10134, 2111642), (12132, 1763879), (12532, 1707579), (13143, 1628196), (14638, 1461906), (17524, 1221147), (18798, 1138386), (20268, 1055821), (21957, 974604), (26286, 814098), (28197, 758924), (29276, 730953), (37596, 569193), (39429, 542732), (43914, 487302), (52572, 407049), (56394, 379462), (65871, 324868), (78858, 271366), (81217, 263484), (87828, 243651), (112788, 189731), (131742, 162434), (135683, 157716)]