21251139792

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:669

約数の個数: 160

約数和(自身を含む): 56638089216

約数和(自身を除く): 35386949424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 113, 146, 191, 219, 226, 281, 292, 339, 382, 438, 452, 562, 573, 584, 678, 764, 843, 876, 904, 1124, 1146, 1168, 1356, 1528, 1686, 1752, 1808, 2248, 2292, 2712, 3056, 3372, 3504, 4496, 4584, 5424, 6744, 8249, 9168, 13488, 13943, 16498, 20513, 21583, 24747, 27886, 31753, 32996, 41026, 41829, 43166, 49494, 53671, 55772, 61539, 63506, 64749, 65992, 82052, 83658, 86332, 95259, 98988, 107342, 111544, 123078, 127012, 129498, 131984, 161013, 164104, 167316, 172664, 190518, 197976, 214684, 223088, 246156, 254024, 258996, 322026, 328208, 334632, 345328, 381036, 395952, 429368, 492312, 508048, 517992, 644052, 669264, 762072, 858736, 984624, 1035984, 1288104, 1524144, 1575559, 2317969, 2576208, 3151118, 3917983, 4635938, 4726677, 6064823, 6302236, 6953907, 7835966, 9271876, 9453354, 11753949, 12129646, 12604472, 13907814, 15671932, 18194469, 18543752, 18906708, 23507898, 24259292, 25208944, 27815628, 31343864, 36388938, 37087504, 37813416, 47015796, 48518584, 55631256, 62687728, 72777876, 75626832, 94031592, 97037168, 111262512, 145555752, 188063184, 291111504, 442732079, 885464158, 1328196237, 1770928316, 2656392474, 3541856632, 5312784948, 7083713264, 10625569896, 21251139792]

約数ペア:

[(1, 21251139792), (2, 10625569896), (3, 7083713264), (4, 5312784948), (6, 3541856632), (8, 2656392474), (12, 1770928316), (16, 1328196237), (24, 885464158), (48, 442732079), (73, 291111504), (113, 188063184), (146, 145555752), (191, 111262512), (219, 97037168), (226, 94031592), (281, 75626832), (292, 72777876), (339, 62687728), (382, 55631256), (438, 48518584), (452, 47015796), (562, 37813416), (573, 37087504), (584, 36388938), (678, 31343864), (764, 27815628), (843, 25208944), (876, 24259292), (904, 23507898), (1124, 18906708), (1146, 18543752), (1168, 18194469), (1356, 15671932), (1528, 13907814), (1686, 12604472), (1752, 12129646), (1808, 11753949), (2248, 9453354), (2292, 9271876), (2712, 7835966), (3056, 6953907), (3372, 6302236), (3504, 6064823), (4496, 4726677), (4584, 4635938), (5424, 3917983), (6744, 3151118), (8249, 2576208), (9168, 2317969), (13488, 1575559), (13943, 1524144), (16498, 1288104), (20513, 1035984), (21583, 984624), (24747, 858736), (27886, 762072), (31753, 669264), (32996, 644052), (41026, 517992), (41829, 508048), (43166, 492312), (49494, 429368), (53671, 395952), (55772, 381036), (61539, 345328), (63506, 334632), (64749, 328208), (65992, 322026), (82052, 258996), (83658, 254024), (86332, 246156), (95259, 223088), (98988, 214684), (107342, 197976), (111544, 190518), (123078, 172664), (127012, 167316), (129498, 164104), (131984, 161013)]