21017666040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{13591}}^1$

素因数の和:13882

約数の個数: 192

約数和(自身を含む): 73631669760

約数和(自身を除く): 52614003720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 263, 280, 294, 392, 420, 490, 526, 588, 735, 789, 840, 980, 1052, 1176, 1315, 1470, 1578, 1841, 1960, 2104, 2630, 2940, 3156, 3682, 3945, 5260, 5523, 5880, 6312, 7364, 7890, 9205, 10520, 11046, 12887, 13591, 14728, 15780, 18410, 22092, 25774, 27182, 27615, 31560, 36820, 38661, 40773, 44184, 51548, 54364, 55230, 64435, 67955, 73640, 77322, 81546, 95137, 103096, 108728, 110460, 128870, 135910, 154644, 163092, 190274, 193305, 203865, 220920, 257740, 271820, 285411, 309288, 326184, 380548, 386610, 407730, 475685, 515480, 543640, 570822, 665959, 761096, 773220, 815460, 951370, 1141644, 1331918, 1427055, 1546440, 1630920, 1902740, 1997877, 2283288, 2663836, 2854110, 3329795, 3574433, 3805480, 3995754, 5327672, 5708220, 6659590, 7148866, 7991508, 9989385, 10723299, 11416440, 13319180, 14297732, 15983016, 17872165, 19978770, 21446598, 25021031, 26638360, 28595464, 35744330, 39957540, 42893196, 50042062, 53616495, 71488660, 75063093, 79915080, 85786392, 100084124, 107232990, 125105155, 142977320, 150126186, 175147217, 200168248, 214465980, 250210310, 300252372, 350294434, 375315465, 428931960, 500420620, 525441651, 600504744, 700588868, 750630930, 875736085, 1000841240, 1050883302, 1401177736, 1501261860, 1751472170, 2101766604, 2627208255, 3002523720, 3502944340, 4203533208, 5254416510, 7005888680, 10508833020, 21017666040]

約数ペア:

[(1, 21017666040), (2, 10508833020), (3, 7005888680), (4, 5254416510), (5, 4203533208), (6, 3502944340), (7, 3002523720), (8, 2627208255), (10, 2101766604), (12, 1751472170), (14, 1501261860), (15, 1401177736), (20, 1050883302), (21, 1000841240), (24, 875736085), (28, 750630930), (30, 700588868), (35, 600504744), (40, 525441651), (42, 500420620), (49, 428931960), (56, 375315465), (60, 350294434), (70, 300252372), (84, 250210310), (98, 214465980), (105, 200168248), (120, 175147217), (140, 150126186), (147, 142977320), (168, 125105155), (196, 107232990), (210, 100084124), (245, 85786392), (263, 79915080), (280, 75063093), (294, 71488660), (392, 53616495), (420, 50042062), (490, 42893196), (526, 39957540), (588, 35744330), (735, 28595464), (789, 26638360), (840, 25021031), (980, 21446598), (1052, 19978770), (1176, 17872165), (1315, 15983016), (1470, 14297732), (1578, 13319180), (1841, 11416440), (1960, 10723299), (2104, 9989385), (2630, 7991508), (2940, 7148866), (3156, 6659590), (3682, 5708220), (3945, 5327672), (5260, 3995754), (5523, 3805480), (5880, 3574433), (6312, 3329795), (7364, 2854110), (7890, 2663836), (9205, 2283288), (10520, 1997877), (11046, 1902740), (12887, 1630920), (13591, 1546440), (14728, 1427055), (15780, 1331918), (18410, 1141644), (22092, 951370), (25774, 815460), (27182, 773220), (27615, 761096), (31560, 665959), (36820, 570822), (38661, 543640), (40773, 515480), (44184, 475685), (51548, 407730), (54364, 386610), (55230, 380548), (64435, 326184), (67955, 309288), (73640, 285411), (77322, 271820), (81546, 257740), (95137, 220920), (103096, 203865), (108728, 193305), (110460, 190274), (128870, 163092), (135910, 154644)]