21278515584

素因数分解:

$2^7\times 3^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1\times {\mathrm{673}}^1$

素因数の和:1428

約数の個数: 128

約数和(自身を含む): 57113088480

約数和(自身を除く): 35834572896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 274, 384, 411, 548, 601, 673, 822, 1096, 1202, 1346, 1644, 1803, 2019, 2192, 2404, 2692, 3288, 3606, 4038, 4384, 4808, 5384, 6576, 7212, 8076, 8768, 9616, 10768, 13152, 14424, 16152, 17536, 19232, 21536, 26304, 28848, 32304, 38464, 43072, 52608, 57696, 64608, 76928, 82337, 86144, 92201, 115392, 129216, 164674, 184402, 230784, 247011, 258432, 276603, 329348, 368804, 404473, 494022, 553206, 658696, 737608, 808946, 988044, 1106412, 1213419, 1317392, 1475216, 1617892, 1976088, 2212824, 2426838, 2634784, 2950432, 3235784, 3952176, 4425648, 4853676, 5269568, 5900864, 6471568, 7904352, 8851296, 9707352, 10539136, 11801728, 12943136, 15808704, 17702592, 19414704, 25886272, 31617408, 35405184, 38829408, 51772544, 55412801, 77658816, 110825602, 155317632, 166238403, 221651204, 332476806, 443302408, 664953612, 886604816, 1329907224, 1773209632, 2659814448, 3546419264, 5319628896, 7092838528, 10639257792, 21278515584]

約数ペア:

[(1, 21278515584), (2, 10639257792), (3, 7092838528), (4, 5319628896), (6, 3546419264), (8, 2659814448), (12, 1773209632), (16, 1329907224), (24, 886604816), (32, 664953612), (48, 443302408), (64, 332476806), (96, 221651204), (128, 166238403), (137, 155317632), (192, 110825602), (274, 77658816), (384, 55412801), (411, 51772544), (548, 38829408), (601, 35405184), (673, 31617408), (822, 25886272), (1096, 19414704), (1202, 17702592), (1346, 15808704), (1644, 12943136), (1803, 11801728), (2019, 10539136), (2192, 9707352), (2404, 8851296), (2692, 7904352), (3288, 6471568), (3606, 5900864), (4038, 5269568), (4384, 4853676), (4808, 4425648), (5384, 3952176), (6576, 3235784), (7212, 2950432), (8076, 2634784), (8768, 2426838), (9616, 2212824), (10768, 1976088), (13152, 1617892), (14424, 1475216), (16152, 1317392), (17536, 1213419), (19232, 1106412), (21536, 988044), (26304, 808946), (28848, 737608), (32304, 658696), (38464, 553206), (43072, 494022), (52608, 404473), (57696, 368804), (64608, 329348), (76928, 276603), (82337, 258432), (86144, 247011), (92201, 230784), (115392, 184402), (129216, 164674)]