21381932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 24129268

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1276, 1289, 1508, 2578, 4147, 5156, 8294, 14179, 16588, 16757, 28358, 33514, 37381, 56716, 67028, 74762, 149524, 184327, 368654, 411191, 485953, 737308, 822382, 971906, 1644764, 1943812, 5345483, 10690966, 21381932]

約数ペア:

[(1, 21381932), (2, 10690966), (4, 5345483), (11, 1943812), (13, 1644764), (22, 971906), (26, 822382), (29, 737308), (44, 485953), (52, 411191), (58, 368654), (116, 184327), (143, 149524), (286, 74762), (319, 67028), (377, 56716), (572, 37381), (638, 33514), (754, 28358), (1276, 16757), (1289, 16588), (1508, 14179), (2578, 8294), (4147, 5156)]