21231337995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{9199}}^1$

素因数の和:9665

約数の個数: 96

約数和(自身を含む): 44640460800

約数和(自身を除く): 23409122805

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 431, 595, 765, 1071, 1293, 1785, 2155, 3017, 3879, 5355, 6465, 7327, 9051, 9199, 15085, 19395, 21981, 27153, 27597, 36635, 45255, 45995, 51289, 64393, 65943, 82791, 109905, 135765, 137985, 153867, 156383, 193179, 256445, 321965, 329715, 413955, 461601, 469149, 579537, 769335, 781915, 965895, 1094681, 1407447, 2308005, 2345745, 2897685, 3284043, 3964769, 5473405, 7037235, 9852129, 11894307, 16420215, 19823845, 27753383, 35682921, 49260645, 59471535, 67401073, 83260149, 138766915, 178414605, 202203219, 249780447, 337005365, 416300745, 471807511, 606609657, 1011016095, 1248902235, 1415422533, 2359037555, 3033048285, 4246267599, 7077112665, 21231337995]

約数ペア:

[(1, 21231337995), (3, 7077112665), (5, 4246267599), (7, 3033048285), (9, 2359037555), (15, 1415422533), (17, 1248902235), (21, 1011016095), (35, 606609657), (45, 471807511), (51, 416300745), (63, 337005365), (85, 249780447), (105, 202203219), (119, 178414605), (153, 138766915), (255, 83260149), (315, 67401073), (357, 59471535), (431, 49260645), (595, 35682921), (765, 27753383), (1071, 19823845), (1293, 16420215), (1785, 11894307), (2155, 9852129), (3017, 7037235), (3879, 5473405), (5355, 3964769), (6465, 3284043), (7327, 2897685), (9051, 2345745), (9199, 2308005), (15085, 1407447), (19395, 1094681), (21981, 965895), (27153, 781915), (27597, 769335), (36635, 579537), (45255, 469149), (45995, 461601), (51289, 413955), (64393, 329715), (65943, 321965), (82791, 256445), (109905, 193179), (135765, 156383), (137985, 153867)]