21403113240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1\times {\mathrm{2801}}^1$

素因数の和:4573

約数の個数: 128

約数和(自身を含む): 66006601920

約数和(自身を除く): 44603488680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 1721, 2220, 2801, 3442, 4440, 5163, 5602, 6884, 8403, 8605, 10326, 11204, 13768, 14005, 16806, 17210, 20652, 22408, 25815, 28010, 33612, 34420, 41304, 42015, 51630, 56020, 63677, 67224, 68840, 84030, 103260, 103637, 112040, 127354, 168060, 191031, 206520, 207274, 254708, 310911, 318385, 336120, 382062, 414548, 509416, 518185, 621822, 636770, 764124, 829096, 955155, 1036370, 1243644, 1273540, 1528248, 1554555, 1910310, 2072740, 2487288, 2547080, 3109110, 3820620, 4145480, 4820521, 6218220, 7641240, 9641042, 12436440, 14461563, 19282084, 24102605, 28923126, 38564168, 48205210, 57846252, 72307815, 96410420, 115692504, 144615630, 178359277, 192820840, 289231260, 356718554, 535077831, 578462520, 713437108, 891796385, 1070155662, 1426874216, 1783592770, 2140311324, 2675389155, 3567185540, 4280622648, 5350778310, 7134371080, 10701556620, 21403113240]

約数ペア:

[(1, 21403113240), (2, 10701556620), (3, 7134371080), (4, 5350778310), (5, 4280622648), (6, 3567185540), (8, 2675389155), (10, 2140311324), (12, 1783592770), (15, 1426874216), (20, 1070155662), (24, 891796385), (30, 713437108), (37, 578462520), (40, 535077831), (60, 356718554), (74, 289231260), (111, 192820840), (120, 178359277), (148, 144615630), (185, 115692504), (222, 96410420), (296, 72307815), (370, 57846252), (444, 48205210), (555, 38564168), (740, 28923126), (888, 24102605), (1110, 19282084), (1480, 14461563), (1721, 12436440), (2220, 9641042), (2801, 7641240), (3442, 6218220), (4440, 4820521), (5163, 4145480), (5602, 3820620), (6884, 3109110), (8403, 2547080), (8605, 2487288), (10326, 2072740), (11204, 1910310), (13768, 1554555), (14005, 1528248), (16806, 1273540), (17210, 1243644), (20652, 1036370), (22408, 955155), (25815, 829096), (28010, 764124), (33612, 636770), (34420, 621822), (41304, 518185), (42015, 509416), (51630, 414548), (56020, 382062), (63677, 336120), (67224, 318385), (68840, 310911), (84030, 254708), (103260, 207274), (103637, 206520), (112040, 191031), (127354, 168060)]