21610680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2013

約数の個数: 128

約数和(自身を含む): 79833600

約数和(自身を除く): 58222920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 1979, 2184, 2730, 3640, 3958, 5460, 5937, 7916, 9895, 10920, 11874, 13853, 15832, 19790, 23748, 25727, 27706, 29685, 39580, 41559, 47496, 51454, 55412, 59370, 69265, 77181, 79160, 83118, 102908, 110824, 118740, 128635, 138530, 154362, 166236, 180089, 205816, 207795, 237480, 257270, 277060, 308724, 332472, 360178, 385905, 415590, 514540, 540267, 554120, 617448, 720356, 771810, 831180, 900445, 1029080, 1080534, 1440712, 1543620, 1662360, 1800890, 2161068, 2701335, 3087240, 3601780, 4322136, 5402670, 7203560, 10805340, 21610680]

約数ペア:

[(1, 21610680), (2, 10805340), (3, 7203560), (4, 5402670), (5, 4322136), (6, 3601780), (7, 3087240), (8, 2701335), (10, 2161068), (12, 1800890), (13, 1662360), (14, 1543620), (15, 1440712), (20, 1080534), (21, 1029080), (24, 900445), (26, 831180), (28, 771810), (30, 720356), (35, 617448), (39, 554120), (40, 540267), (42, 514540), (52, 415590), (56, 385905), (60, 360178), (65, 332472), (70, 308724), (78, 277060), (84, 257270), (91, 237480), (104, 207795), (105, 205816), (120, 180089), (130, 166236), (140, 154362), (156, 138530), (168, 128635), (182, 118740), (195, 110824), (210, 102908), (260, 83118), (273, 79160), (280, 77181), (312, 69265), (364, 59370), (390, 55412), (420, 51454), (455, 47496), (520, 41559), (546, 39580), (728, 29685), (780, 27706), (840, 25727), (910, 23748), (1092, 19790), (1365, 15832), (1560, 13853), (1820, 11874), (1979, 10920), (2184, 9895), (2730, 7916), (3640, 5937), (3958, 5460)]