21695520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:623

約数の個数: 192

約数和(自身を含む): 85349376

約数和(自身を除く): 63653856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 587, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1155, 1174, 1232, 1320, 1540, 1680, 1760, 1761, 1848, 2310, 2348, 2464, 2640, 2935, 3080, 3360, 3522, 3696, 4109, 4620, 4696, 5280, 5870, 6160, 6457, 7044, 7392, 8218, 8805, 9240, 9392, 11740, 12320, 12327, 12914, 14088, 16436, 17610, 18480, 18784, 19371, 20545, 23480, 24654, 25828, 28176, 32285, 32872, 35220, 36960, 38742, 41090, 45199, 46960, 49308, 51656, 56352, 61635, 64570, 65744, 70440, 77484, 82180, 90398, 93920, 96855, 98616, 103312, 123270, 129140, 131488, 135597, 140880, 154968, 164360, 180796, 193710, 197232, 206624, 225995, 246540, 258280, 271194, 281760, 309936, 328720, 361592, 387420, 394464, 451990, 493080, 516560, 542388, 619872, 657440, 677985, 723184, 774840, 903980, 986160, 1033120, 1084776, 1355970, 1446368, 1549680, 1807960, 1972320, 2169552, 2711940, 3099360, 3615920, 4339104, 5423880, 7231840, 10847760, 21695520]

約数ペア:

[(1, 21695520), (2, 10847760), (3, 7231840), (4, 5423880), (5, 4339104), (6, 3615920), (7, 3099360), (8, 2711940), (10, 2169552), (11, 1972320), (12, 1807960), (14, 1549680), (15, 1446368), (16, 1355970), (20, 1084776), (21, 1033120), (22, 986160), (24, 903980), (28, 774840), (30, 723184), (32, 677985), (33, 657440), (35, 619872), (40, 542388), (42, 516560), (44, 493080), (48, 451990), (55, 394464), (56, 387420), (60, 361592), (66, 328720), (70, 309936), (77, 281760), (80, 271194), (84, 258280), (88, 246540), (96, 225995), (105, 206624), (110, 197232), (112, 193710), (120, 180796), (132, 164360), (140, 154968), (154, 140880), (160, 135597), (165, 131488), (168, 129140), (176, 123270), (210, 103312), (220, 98616), (224, 96855), (231, 93920), (240, 90398), (264, 82180), (280, 77484), (308, 70440), (330, 65744), (336, 64570), (352, 61635), (385, 56352), (420, 51656), (440, 49308), (462, 46960), (480, 45199), (528, 41090), (560, 38742), (587, 36960), (616, 35220), (660, 32872), (672, 32285), (770, 28176), (840, 25828), (880, 24654), (924, 23480), (1056, 20545), (1120, 19371), (1155, 18784), (1174, 18480), (1232, 17610), (1320, 16436), (1540, 14088), (1680, 12914), (1760, 12327), (1761, 12320), (1848, 11740), (2310, 9392), (2348, 9240), (2464, 8805), (2640, 8218), (2935, 7392), (3080, 7044), (3360, 6457), (3522, 6160), (3696, 5870), (4109, 5280), (4620, 4696)]