21180496568

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{28393}}^1$

素因数の和:28597

約数の個数: 96

約数和(自身を含む): 50690104560

約数和(自身を除く): 29509607992

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 173, 196, 308, 346, 392, 539, 616, 692, 1078, 1211, 1384, 1903, 2156, 2422, 3806, 4312, 4844, 7612, 8477, 9688, 13321, 15224, 16954, 26642, 28393, 33908, 53284, 56786, 67816, 93247, 106568, 113572, 186494, 198751, 227144, 312323, 372988, 397502, 624646, 745976, 795004, 1249292, 1391257, 1590008, 2186261, 2498584, 2782514, 4372522, 4911989, 5565028, 8745044, 9823978, 11130056, 15303827, 17490088, 19647956, 30607654, 34383923, 39295912, 54031879, 61215308, 68767846, 108063758, 122430616, 137535692, 216127516, 240687461, 275071384, 378223153, 432255032, 481374922, 756446306, 962749844, 1512892612, 1925499688, 2647562071, 3025785224, 5295124142, 10590248284, 21180496568]

約数ペア:

[(1, 21180496568), (2, 10590248284), (4, 5295124142), (7, 3025785224), (8, 2647562071), (11, 1925499688), (14, 1512892612), (22, 962749844), (28, 756446306), (44, 481374922), (49, 432255032), (56, 378223153), (77, 275071384), (88, 240687461), (98, 216127516), (154, 137535692), (173, 122430616), (196, 108063758), (308, 68767846), (346, 61215308), (392, 54031879), (539, 39295912), (616, 34383923), (692, 30607654), (1078, 19647956), (1211, 17490088), (1384, 15303827), (1903, 11130056), (2156, 9823978), (2422, 8745044), (3806, 5565028), (4312, 4911989), (4844, 4372522), (7612, 2782514), (8477, 2498584), (9688, 2186261), (13321, 1590008), (15224, 1391257), (16954, 1249292), (26642, 795004), (28393, 745976), (33908, 624646), (53284, 397502), (56786, 372988), (67816, 312323), (93247, 227144), (106568, 198751), (113572, 186494)]