21082308720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{169909}}^1$

素因数の和:169983

約数の個数: 160

約数和(自身を含む): 72813911040

約数和(自身を除く): 51731602320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 235, 240, 264, 282, 330, 376, 440, 470, 517, 528, 564, 660, 705, 752, 880, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2256, 2585, 2640, 2820, 3102, 3760, 4136, 5170, 5640, 6204, 7755, 8272, 10340, 11280, 12408, 15510, 20680, 24816, 31020, 41360, 62040, 124080, 169909, 339818, 509727, 679636, 849545, 1019454, 1359272, 1699090, 1868999, 2038908, 2548635, 2718544, 3398180, 3737998, 4077816, 5097270, 5606997, 6796360, 7475996, 7985723, 8155632, 9344995, 10194540, 11213994, 13592720, 14951992, 15971446, 18689990, 20389080, 22427988, 23957169, 28034985, 29903984, 31942892, 37379980, 39928615, 40778160, 44855976, 47914338, 56069970, 63885784, 74759960, 79857230, 87842953, 89711952, 95828676, 112139940, 119785845, 127771568, 149519920, 159714460, 175685906, 191657352, 224279880, 239571690, 263528859, 319428920, 351371812, 383314704, 439214765, 448559760, 479143380, 527057718, 638857840, 702743624, 878429530, 958286760, 1054115436, 1317644295, 1405487248, 1756859060, 1916573520, 2108230872, 2635288590, 3513718120, 4216461744, 5270577180, 7027436240, 10541154360, 21082308720]

約数ペア:

[(1, 21082308720), (2, 10541154360), (3, 7027436240), (4, 5270577180), (5, 4216461744), (6, 3513718120), (8, 2635288590), (10, 2108230872), (11, 1916573520), (12, 1756859060), (15, 1405487248), (16, 1317644295), (20, 1054115436), (22, 958286760), (24, 878429530), (30, 702743624), (33, 638857840), (40, 527057718), (44, 479143380), (47, 448559760), (48, 439214765), (55, 383314704), (60, 351371812), (66, 319428920), (80, 263528859), (88, 239571690), (94, 224279880), (110, 191657352), (120, 175685906), (132, 159714460), (141, 149519920), (165, 127771568), (176, 119785845), (188, 112139940), (220, 95828676), (235, 89711952), (240, 87842953), (264, 79857230), (282, 74759960), (330, 63885784), (376, 56069970), (440, 47914338), (470, 44855976), (517, 40778160), (528, 39928615), (564, 37379980), (660, 31942892), (705, 29903984), (752, 28034985), (880, 23957169), (940, 22427988), (1034, 20389080), (1128, 18689990), (1320, 15971446), (1410, 14951992), (1551, 13592720), (1880, 11213994), (2068, 10194540), (2256, 9344995), (2585, 8155632), (2640, 7985723), (2820, 7475996), (3102, 6796360), (3760, 5606997), (4136, 5097270), (5170, 4077816), (5640, 3737998), (6204, 3398180), (7755, 2718544), (8272, 2548635), (10340, 2038908), (11280, 1868999), (12408, 1699090), (15510, 1359272), (20680, 1019454), (24816, 849545), (31020, 679636), (41360, 509727), (62040, 339818), (124080, 169909)]