21042576

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7691}}^1$

素因数の和:7724

約数の個数: 60

約数和(自身を含む): 61997520

約数和(自身を除く): 40954944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7691, 15382, 23073, 30764, 46146, 61528, 69219, 92292, 123056, 138438, 146129, 184584, 276876, 292258, 369168, 438387, 553752, 584516, 876774, 1107504, 1169032, 1315161, 1753548, 2338064, 2630322, 3507096, 5260644, 7014192, 10521288, 21042576]

約数ペア:

[(1, 21042576), (2, 10521288), (3, 7014192), (4, 5260644), (6, 3507096), (8, 2630322), (9, 2338064), (12, 1753548), (16, 1315161), (18, 1169032), (19, 1107504), (24, 876774), (36, 584516), (38, 553752), (48, 438387), (57, 369168), (72, 292258), (76, 276876), (114, 184584), (144, 146129), (152, 138438), (171, 123056), (228, 92292), (304, 69219), (342, 61528), (456, 46146), (684, 30764), (912, 23073), (1368, 15382), (2736, 7691)]