21954468

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 31134876

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 197, 222, 251, 394, 444, 502, 591, 753, 788, 1004, 1182, 1506, 2364, 3012, 7289, 9287, 14578, 18574, 21867, 27861, 29156, 37148, 43734, 49447, 55722, 87468, 98894, 111444, 148341, 197788, 296682, 593364, 1829539, 3659078, 5488617, 7318156, 10977234, 21954468]

約数ペア:

[(1, 21954468), (2, 10977234), (3, 7318156), (4, 5488617), (6, 3659078), (12, 1829539), (37, 593364), (74, 296682), (111, 197788), (148, 148341), (197, 111444), (222, 98894), (251, 87468), (394, 55722), (444, 49447), (502, 43734), (591, 37148), (753, 29156), (788, 27861), (1004, 21867), (1182, 18574), (1506, 14578), (2364, 9287), (3012, 7289)]