20211057405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1104

約数の個数: 192

約数和(自身を含む): 44874086400

約数和(自身を除く): 24663028995

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 59, 63, 77, 99, 105, 109, 165, 177, 231, 295, 315, 327, 385, 413, 495, 531, 545, 649, 693, 763, 885, 907, 981, 1155, 1199, 1239, 1635, 1947, 2065, 2289, 2655, 2721, 3245, 3465, 3597, 3717, 3815, 4535, 4543, 4905, 5841, 5995, 6195, 6349, 6431, 6867, 8163, 8393, 9735, 9977, 10791, 11445, 13605, 13629, 17985, 18585, 19047, 19293, 22715, 25179, 29205, 29931, 31745, 32155, 34335, 40815, 40887, 41965, 45017, 49885, 53513, 53955, 57141, 57879, 68145, 69839, 70741, 75537, 89793, 95235, 96465, 98863, 125895, 135051, 149655, 160539, 204435, 209517, 212223, 225085, 267565, 285705, 289395, 296589, 349195, 353705, 374591, 377685, 405153, 448965, 481617, 494315, 495187, 588643, 628551, 636669, 675255, 692041, 802695, 889767, 1047585, 1061115, 1087493, 1123773, 1482945, 1485561, 1765929, 1872955, 2025765, 2076123, 2408085, 2475935, 2943215, 3142755, 3183345, 3262479, 3371319, 3460205, 4120501, 4448835, 4456683, 5297787, 5437465, 5618865, 5832917, 6228369, 7427805, 7612451, 8829645, 9787437, 10380615, 12361503, 16312395, 16856595, 17498751, 20602505, 22283415, 22837353, 26488935, 29164585, 31141845, 37084509, 38062255, 40830419, 48937185, 52496253, 61807515, 64162087, 68512059, 87493755, 114186765, 122491257, 185422545, 192486261, 204152095, 262481265, 320810435, 342560295, 367473771, 449134609, 577458783, 612456285, 962431305, 1347403827, 1837368855, 2245673045, 2887293915, 4042211481, 6737019135, 20211057405]

約数ペア:

[(1, 20211057405), (3, 6737019135), (5, 4042211481), (7, 2887293915), (9, 2245673045), (11, 1837368855), (15, 1347403827), (21, 962431305), (33, 612456285), (35, 577458783), (45, 449134609), (55, 367473771), (59, 342560295), (63, 320810435), (77, 262481265), (99, 204152095), (105, 192486261), (109, 185422545), (165, 122491257), (177, 114186765), (231, 87493755), (295, 68512059), (315, 64162087), (327, 61807515), (385, 52496253), (413, 48937185), (495, 40830419), (531, 38062255), (545, 37084509), (649, 31141845), (693, 29164585), (763, 26488935), (885, 22837353), (907, 22283415), (981, 20602505), (1155, 17498751), (1199, 16856595), (1239, 16312395), (1635, 12361503), (1947, 10380615), (2065, 9787437), (2289, 8829645), (2655, 7612451), (2721, 7427805), (3245, 6228369), (3465, 5832917), (3597, 5618865), (3717, 5437465), (3815, 5297787), (4535, 4456683), (4543, 4448835), (4905, 4120501), (5841, 3460205), (5995, 3371319), (6195, 3262479), (6349, 3183345), (6431, 3142755), (6867, 2943215), (8163, 2475935), (8393, 2408085), (9735, 2076123), (9977, 2025765), (10791, 1872955), (11445, 1765929), (13605, 1485561), (13629, 1482945), (17985, 1123773), (18585, 1087493), (19047, 1061115), (19293, 1047585), (22715, 889767), (25179, 802695), (29205, 692041), (29931, 675255), (31745, 636669), (32155, 628551), (34335, 588643), (40815, 495187), (40887, 494315), (41965, 481617), (45017, 448965), (49885, 405153), (53513, 377685), (53955, 374591), (57141, 353705), (57879, 349195), (68145, 296589), (69839, 289395), (70741, 285705), (75537, 267565), (89793, 225085), (95235, 212223), (96465, 209517), (98863, 204435), (125895, 160539), (135051, 149655)]