21284549892

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1637777}}^1$

素因数の和:1637825

約数の個数: 54

約数和(自身を含む): 56783401038

約数和(自身を除く): 35498851146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 12996, 1637777, 3275554, 4913331, 6551108, 9826662, 14739993, 19653324, 29479986, 31117763, 58959972, 62235526, 93353289, 124471052, 186706578, 280059867, 373413156, 560119734, 591237497, 1120239468, 1182474994, 1773712491, 2364949988, 3547424982, 5321137473, 7094849964, 10642274946, 21284549892]

約数ペア:

[(1, 21284549892), (2, 10642274946), (3, 7094849964), (4, 5321137473), (6, 3547424982), (9, 2364949988), (12, 1773712491), (18, 1182474994), (19, 1120239468), (36, 591237497), (38, 560119734), (57, 373413156), (76, 280059867), (114, 186706578), (171, 124471052), (228, 93353289), (342, 62235526), (361, 58959972), (684, 31117763), (722, 29479986), (1083, 19653324), (1444, 14739993), (2166, 9826662), (3249, 6551108), (4332, 4913331), (6498, 3275554), (12996, 1637777)]