21076440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2281}}^1$

素因数の和:2313

約数の個数: 128

約数和(自身を含む): 78865920

約数和(自身を除く): 57789480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2281, 2310, 3080, 4562, 4620, 6843, 9124, 9240, 11405, 13686, 15967, 18248, 22810, 25091, 27372, 31934, 34215, 45620, 47901, 50182, 54744, 63868, 68430, 75273, 79835, 91240, 95802, 100364, 125455, 127736, 136860, 150546, 159670, 175637, 191604, 200728, 239505, 250910, 273720, 301092, 319340, 351274, 376365, 383208, 479010, 501820, 526911, 602184, 638680, 702548, 752730, 878185, 958020, 1003640, 1053822, 1405096, 1505460, 1756370, 1916040, 2107644, 2634555, 3010920, 3512740, 4215288, 5269110, 7025480, 10538220, 21076440]

約数ペア:

[(1, 21076440), (2, 10538220), (3, 7025480), (4, 5269110), (5, 4215288), (6, 3512740), (7, 3010920), (8, 2634555), (10, 2107644), (11, 1916040), (12, 1756370), (14, 1505460), (15, 1405096), (20, 1053822), (21, 1003640), (22, 958020), (24, 878185), (28, 752730), (30, 702548), (33, 638680), (35, 602184), (40, 526911), (42, 501820), (44, 479010), (55, 383208), (56, 376365), (60, 351274), (66, 319340), (70, 301092), (77, 273720), (84, 250910), (88, 239505), (105, 200728), (110, 191604), (120, 175637), (132, 159670), (140, 150546), (154, 136860), (165, 127736), (168, 125455), (210, 100364), (220, 95802), (231, 91240), (264, 79835), (280, 75273), (308, 68430), (330, 63868), (385, 54744), (420, 50182), (440, 47901), (462, 45620), (616, 34215), (660, 31934), (770, 27372), (840, 25091), (924, 22810), (1155, 18248), (1320, 15967), (1540, 13686), (1848, 11405), (2281, 9240), (2310, 9124), (3080, 6843), (4562, 4620)]