21969360

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1453}}^1$

素因数の和:1482

約数の個数: 160

約数和(自身を含む): 86542080

約数和(自身を除く): 64572720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1453, 1512, 1680, 1890, 2160, 2520, 2906, 3024, 3780, 4359, 5040, 5812, 7265, 7560, 8718, 10171, 11624, 13077, 14530, 15120, 17436, 20342, 21795, 23248, 26154, 29060, 30513, 34872, 39231, 40684, 43590, 50855, 52308, 58120, 61026, 65385, 69744, 78462, 81368, 87180, 91539, 101710, 104616, 116240, 122052, 130770, 152565, 156924, 162736, 174360, 183078, 196155, 203420, 209232, 244104, 261540, 274617, 305130, 313848, 348720, 366156, 392310, 406840, 457695, 488208, 523080, 549234, 610260, 627696, 732312, 784620, 813680, 915390, 1046160, 1098468, 1220520, 1373085, 1464624, 1569240, 1830780, 2196936, 2441040, 2746170, 3138480, 3661560, 4393872, 5492340, 7323120, 10984680, 21969360]

約数ペア:

[(1, 21969360), (2, 10984680), (3, 7323120), (4, 5492340), (5, 4393872), (6, 3661560), (7, 3138480), (8, 2746170), (9, 2441040), (10, 2196936), (12, 1830780), (14, 1569240), (15, 1464624), (16, 1373085), (18, 1220520), (20, 1098468), (21, 1046160), (24, 915390), (27, 813680), (28, 784620), (30, 732312), (35, 627696), (36, 610260), (40, 549234), (42, 523080), (45, 488208), (48, 457695), (54, 406840), (56, 392310), (60, 366156), (63, 348720), (70, 313848), (72, 305130), (80, 274617), (84, 261540), (90, 244104), (105, 209232), (108, 203420), (112, 196155), (120, 183078), (126, 174360), (135, 162736), (140, 156924), (144, 152565), (168, 130770), (180, 122052), (189, 116240), (210, 104616), (216, 101710), (240, 91539), (252, 87180), (270, 81368), (280, 78462), (315, 69744), (336, 65385), (360, 61026), (378, 58120), (420, 52308), (432, 50855), (504, 43590), (540, 40684), (560, 39231), (630, 34872), (720, 30513), (756, 29060), (840, 26154), (945, 23248), (1008, 21795), (1080, 20342), (1260, 17436), (1453, 15120), (1512, 14530), (1680, 13077), (1890, 11624), (2160, 10171), (2520, 8718), (2906, 7560), (3024, 7265), (3780, 5812), (4359, 5040)]