21768032

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 30051232

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 67, 71, 88, 104, 134, 142, 143, 176, 208, 268, 284, 286, 352, 416, 536, 568, 572, 737, 781, 871, 923, 1072, 1136, 1144, 1474, 1562, 1742, 1846, 2144, 2272, 2288, 2948, 3124, 3484, 3692, 4576, 4757, 5896, 6248, 6968, 7384, 9514, 9581, 10153, 11792, 12496, 13936, 14768, 19028, 19162, 20306, 23584, 24992, 27872, 29536, 38056, 38324, 40612, 52327, 61841, 76112, 76648, 81224, 104654, 123682, 152224, 153296, 162448, 209308, 247364, 306592, 324896, 418616, 494728, 680251, 837232, 989456, 1360502, 1674464, 1978912, 2721004, 5442008, 10884016, 21768032]

約数ペア:

[(1, 21768032), (2, 10884016), (4, 5442008), (8, 2721004), (11, 1978912), (13, 1674464), (16, 1360502), (22, 989456), (26, 837232), (32, 680251), (44, 494728), (52, 418616), (67, 324896), (71, 306592), (88, 247364), (104, 209308), (134, 162448), (142, 153296), (143, 152224), (176, 123682), (208, 104654), (268, 81224), (284, 76648), (286, 76112), (352, 61841), (416, 52327), (536, 40612), (568, 38324), (572, 38056), (737, 29536), (781, 27872), (871, 24992), (923, 23584), (1072, 20306), (1136, 19162), (1144, 19028), (1474, 14768), (1562, 13936), (1742, 12496), (1846, 11792), (2144, 10153), (2272, 9581), (2288, 9514), (2948, 7384), (3124, 6968), (3484, 6248), (3692, 5896), (4576, 4757)]