21539688

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6551}}^1$

素因数の和:6697

約数の個数: 32

約数和(自身を含む): 54250560

約数和(自身を除く): 32710872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6551, 13102, 19653, 26204, 39306, 52408, 78612, 157224, 897487, 1794974, 2692461, 3589948, 5384922, 7179896, 10769844, 21539688]

約数ペア:

[(1, 21539688), (2, 10769844), (3, 7179896), (4, 5384922), (6, 3589948), (8, 2692461), (12, 1794974), (24, 897487), (137, 157224), (274, 78612), (411, 52408), (548, 39306), (822, 26204), (1096, 19653), (1644, 13102), (3288, 6551)]