21638106840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{39089}}^1$

素因数の和:39769

約数の個数: 128

約数和(自身を含む): 74302272000

約数和(自身を除く): 52664165160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 659, 840, 1318, 1977, 2636, 3295, 3954, 4613, 5272, 6590, 7908, 9226, 9885, 13180, 13839, 15816, 18452, 19770, 23065, 26360, 27678, 36904, 39089, 39540, 46130, 55356, 69195, 78178, 79080, 92260, 110712, 117267, 138390, 156356, 184520, 195445, 234534, 273623, 276780, 312712, 390890, 469068, 547246, 553560, 586335, 781780, 820869, 938136, 1094492, 1172670, 1368115, 1563560, 1641738, 2188984, 2345340, 2736230, 3283476, 4104345, 4690680, 5472460, 6566952, 8208690, 10944920, 16417380, 25759651, 32834760, 51519302, 77278953, 103038604, 128798255, 154557906, 180317557, 206077208, 257596510, 309115812, 360635114, 386394765, 515193020, 540952671, 618231624, 721270228, 772789530, 901587785, 1030386040, 1081905342, 1442540456, 1545579060, 1803175570, 2163810684, 2704763355, 3091158120, 3606351140, 4327621368, 5409526710, 7212702280, 10819053420, 21638106840]

約数ペア:

[(1, 21638106840), (2, 10819053420), (3, 7212702280), (4, 5409526710), (5, 4327621368), (6, 3606351140), (7, 3091158120), (8, 2704763355), (10, 2163810684), (12, 1803175570), (14, 1545579060), (15, 1442540456), (20, 1081905342), (21, 1030386040), (24, 901587785), (28, 772789530), (30, 721270228), (35, 618231624), (40, 540952671), (42, 515193020), (56, 386394765), (60, 360635114), (70, 309115812), (84, 257596510), (105, 206077208), (120, 180317557), (140, 154557906), (168, 128798255), (210, 103038604), (280, 77278953), (420, 51519302), (659, 32834760), (840, 25759651), (1318, 16417380), (1977, 10944920), (2636, 8208690), (3295, 6566952), (3954, 5472460), (4613, 4690680), (5272, 4104345), (6590, 3283476), (7908, 2736230), (9226, 2345340), (9885, 2188984), (13180, 1641738), (13839, 1563560), (15816, 1368115), (18452, 1172670), (19770, 1094492), (23065, 938136), (26360, 820869), (27678, 781780), (36904, 586335), (39089, 553560), (39540, 547246), (46130, 469068), (55356, 390890), (69195, 312712), (78178, 276780), (79080, 273623), (92260, 234534), (110712, 195445), (117267, 184520), (138390, 156356)]