21354903720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{534407}}^1$

素因数の和:534464

約数の個数: 128

約数和(自身を含む): 73107014400

約数和(自身を除く): 51752110680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1998, 2220, 2664, 3330, 3996, 4440, 4995, 6660, 7992, 9990, 13320, 19980, 39960, 534407, 1068814, 1603221, 2137628, 2672035, 3206442, 4275256, 4809663, 5344070, 6412884, 8016105, 9619326, 10688140, 12825768, 14428989, 16032210, 19238652, 19773059, 21376280, 24048315, 28857978, 32064420, 38477304, 39546118, 48096630, 57715956, 59319177, 64128840, 72144945, 79092236, 96193260, 98865295, 115431912, 118638354, 144289890, 158184472, 177957531, 192386520, 197730590, 237276708, 288579780, 296595885, 355915062, 395461180, 474553416, 533872593, 577159560, 593191770, 711830124, 790922360, 889787655, 1067745186, 1186383540, 1423660248, 1779575310, 2135490372, 2372767080, 2669362965, 3559150620, 4270980744, 5338725930, 7118301240, 10677451860, 21354903720]

約数ペア:

[(1, 21354903720), (2, 10677451860), (3, 7118301240), (4, 5338725930), (5, 4270980744), (6, 3559150620), (8, 2669362965), (9, 2372767080), (10, 2135490372), (12, 1779575310), (15, 1423660248), (18, 1186383540), (20, 1067745186), (24, 889787655), (27, 790922360), (30, 711830124), (36, 593191770), (37, 577159560), (40, 533872593), (45, 474553416), (54, 395461180), (60, 355915062), (72, 296595885), (74, 288579780), (90, 237276708), (108, 197730590), (111, 192386520), (120, 177957531), (135, 158184472), (148, 144289890), (180, 118638354), (185, 115431912), (216, 98865295), (222, 96193260), (270, 79092236), (296, 72144945), (333, 64128840), (360, 59319177), (370, 57715956), (444, 48096630), (540, 39546118), (555, 38477304), (666, 32064420), (740, 28857978), (888, 24048315), (999, 21376280), (1080, 19773059), (1110, 19238652), (1332, 16032210), (1480, 14428989), (1665, 12825768), (1998, 10688140), (2220, 9619326), (2664, 8016105), (3330, 6412884), (3996, 5344070), (4440, 4809663), (4995, 4275256), (6660, 3206442), (7992, 2672035), (9990, 2137628), (13320, 1603221), (19980, 1068814), (39960, 534407)]